2. Over the past decade, a global push to reduce hunger and extreme poverty______mark some significant successes. 【答案】现在完成时）has marked 【解析】由时间状语Over the past decade可知，句子表示过去发生的动作对现在造成的影响，故用现在完成时，主语a global push是第三人称单数，谓语动词也用单数形式。
3 . The twins , who _______ finish their homework , were allowed to play badminton in the playground. 【答案】过去完成时）had finished 【解析】此处表示这对双胞胎完成作业是在被允许到操场上打羽毛球（过去式）之前，所以完成作业应该使用过去完成时。
4. It is the first time that I______punish students. 【答案】现在完成时）have punished 【解析】考查固定句型中的时态It/This/That is the first time that sb. has done sth. ;It/This/That was the first time that sb. had done sth.。
5.While _________pick the tea, he received the news of his mother being ill ,so he carelessly put the leaves in his right sleeve and _______leave Hangzhou for Beijing 【答案】现在分词）picking;一般过去时）left 【解析】句意在摘茶叶的时候，他收到了母亲生病的消息，所以他不小心把叶子放在他右边的袖子里，离开杭州去了北京。第一空所在句省略的主语he和pick之间是主谓关系，所以用现在分词。第二空，由and可知此处与put是并列谓语，故填left。
6. Shelley received early education at home and later, at the age of 12, _________admit to Eton College, which has a long history of more than 500 years, date back to the 15th century. 【答案】一般过去时的被动语态）was admitted;现在分词作伴随状语）dating 【解析】第一空，由and可知，此处与前面的谓语动词received并列，且admit与主语Shelley之间为动宾关系，表示“被录取”，故用被动语态。第二空作伴随状语，用现在分词形式。
7. What you say - the actual words you use-________account for only 7 percent of the message. 【答案】主谓一致）accounts 【解析】此处表示你所说的话实际只占信息的7。从句“What you say“作主语，谓语动词用单数，且根据语境可知，此处应用一般现在时。
8.There are many differences between China and India when it comes to how yoga_______practice . 【答案】一税现在时的被动语态）is practised 【解析】此处yoga是从句的主语，和practise之间是宾关系，结合语境可知，此处应用一般现在时的被动语态。
9.To improve your memory, you need to take an active role. Like your body, your memory can_________strengthen through rcise. 【答案】含情态动词的被动语态）be strengthened 【解析】此处表示像你的身体一样，你的记忆力可以通过锻炼来增强。分析句子可知，can后要用动词原形，而your memory与动词strengthen之同量动宾关系，故用被动语态。含情态动词的被动结构是“情态动词be done“。
10.I________domy homework when someone knocked at the door. 【答案】过去进行时）was doing 【解析】考查固定句型be doing...when sb.did,表示“正在......这时”。
11. Would you please keep silent The weather report_________ broadcast. I want to listen. 【答案】现在进行时的被动语态）is being broadcast 【解析】句意你能安静点吗天气预报正在播报。我想听。根据句意可知，谓语动词用现在进行时的被动语态。
12. Poor Mr. Perkins had to wait patiently until his car was the only one that_______leavein the parking lot. 【答案】一般过去时的被动语态）was left 【解析】此处表示可怜的Perkins先生不得不耐心地等着直到他的车是唯一一辆停在停车场的那一刻。这里的one指代car,that引导定语从句，修饰 the only one;that作定语从句的主语，与动词leave构成动宾关系，因此要用被动语态，再结合前面的had to和was可知，这里应用一般过去时的被动语态。
132019陕西咸阳一模，61A representative who seehis perance before thought he could replace another star who intended to leave. 【答案】.had seen 【解析】句意以前曾看过他演出的某位代表认为他可以代替另立打算离开的明星。设空处在定语从句中作谓语动词，根据主语语动词thought以及从句中的时间状语before,可知从句谓语发生在“过去的过去”，故从句用过去完成时态。
14.2019新疆乌鲁木齐二诊，63It_bea tradition since the kings in the eighth and ninth centuries stopped trading. 【答案】has been 【解析】句意自从8世纪和9世纪的国王们停止贸易以来，这就成为一个传统。根据since引导的时间状语从句可知主句用现在完成时态 15.2019黑龙江哈尔滨三中一模，70Additionally,the kinds of facial make-up脸谱）_____be the most particular art in Peking opera. 【答案】are 【解析】句意此外，在京剧中脸谱的种类是最为特别的艺术。分析句子结构可知，主语为the kinds of facial make-up,因为在陈述事实，故句子用一般现在时态。
16.2019陕西汉中一模，42That was the first time that I notice the fresh taste of the meat and vegetables of Chinese food. 【答案】.had noticed 【解析】 句意那是我第一次注意到中餐中肉和蔬菜的新鲜味道。在That is/was the first time that...句型中，当前面为is时，that从句用现在完成时态；
当前面为was时，that从句用过去完成时态。根据句中的was可知that从句用过去完成时态。
17.2019黑龙江大庆质检三，62It is said Lu Ban,who lived in the Spring and Autumn Period, invent the kite. 【答案】.invented 【解析】句意据说鲁班发明了风筝，他生活于春秋时期。根据语境可知，鲁班发明风筝发生在过去，故用一般过去时态 18.2018东北三省三校一模，62Especially famous is the wall built in 220-206 BC. Little of that wall remain. 【答案】.remains 【解析】句意尤为著名的是建于公元前220年到206年之间的那段长城。现在它已所剩无几。设空处在句中作谓语动词，根据语境可和此处说的是现在的情况，故用一般现在时态，主语为第三人称单数，故填remains。remain vi.剩下；
留下。
19.2018黑龙江哈尔滨三中一模，70According to the letter,the Chan Zuckerberg Initiative help to promote“equality for all children in the next generation“. 【答案】.will help 【解析】 句意根据这封信件，“扎克伯格陈计划”将有助于促进“下一代的所有孩子的平等”。根据句意以及in the next generatio可知“帮助”为将来的动作，故用一般将来时。
20.2018黑龙江齐齐哈尔一模，67The humble man refuse an interview invitation after becoming an Internet star and said that he just did what he felt he should. 【答案】.refused 【解析】句意这个谦虚的人在成为网络明星后拒绝了一个采访邀请，他说自己只是做了他认为该做的事情。根据said可知该动作发生于过去，故用一般过去时 21.2018辽宁沈阳东北育才学校三模，63Tea from China,along with her silk and porcelain瓷器）,began to be known to the world more than a thousand years ago and since then it be