根据题意，选择最佳答案，或者选取最合适的答案。

1. His mother dances well. -- So she does _____does his father.
   and and so
解析：解析：句意：他妈妈的舞跳得很好。他妈妈的舞跳得确实好，他爸爸的舞跳得也很好。表示确实是，用so + 人称代词+ 助动词；表示某某人也是，用so + 助动词+ 人称代词，选B。
2. David likes vegetables, _________ tomatoes, potatoes and cabbages.
   and so on such as
解析：解析：句意：戴维德喜欢蔬菜，例如土豆、西红柿和卷心菜。and so on意为“等等”，常用于句尾such as译为例如，后面跟的是列举的事物；故选A 。
3. Obama’s years in Indonesia were unforgettable for some of his former schoolmates _____ his teachers
   as well as. as far as
解析：解析:A还有，和。。。一样好,根据语境可知A选项正确。句意：奥巴马在印度尼西亚的那些年不仅对他以前的老师们而言是令人难忘的而且对他的一些同学们来说也是难以忘怀的。
4. What good boys they are! They listen to the report carefully ______.
   sometimes all the time
解析：解析：句意：他们是多么好的孩子啊！他们总是仔细的听报告。sometimes 有时候；all the time 总是，一直。根据句意可知，这些孩子们很好，因为他们听报告的时候总是很认真。故选B。
5. David is going to travel _________ the world.
   all of all over
解析：解析试题分析：句意:David打算去全世界旅行。all of 全部；all over 全部，整个。本句中all over the world是固定短语，全世界。
6. Don’t waste time with someone who won’t support you___need
   ahead of in time
解析：解析：考察介词短语辨析。A代替；B 提前 句意：不要浪费时间再那些在你需要帮助的时候不支持你的人身上。根据句意说明B正确
7. You’d better call me in advance if you want to go with me .
   in front ahead of time
解析：解析：句意：如果你想和我一起去，你最好预先给我打个电话。 in front 在前面 ahead of time 提前，提早 。
8. We’d like to recommend David as our chairperson. We hope you can ______us.
   agree on agree about
解析：解析： agree about对……有相同看法; agree on对……取得一致意见。句意：我们想推荐大卫作为我们的注意。我们希望你能和我们意见一致。故选A。
9. Please give him a chance again,—— it is the first time for him to have a try.
   even though after all
解析：解析：句意：请再给他一次机会，毕竟这是他第一次尝试。even though即使，纵然； after all毕竟; 究竟; 归根结底；所以选B。
10. It is my considered opinion that we can't —— do it
    afford to go to
解析：解析：afford to do负担得起做某事；负担得起；付得起；有能力
11. When you go to a foreign country, you must try to the customs there in order to recover from the culture shock quickly.
    deal with adapt to
解析：试题分析：句意：当你去国外的时候，你必须尽力适应那里的风俗为了能迅速从文化冲击中恢复过来。四个选项的意思分别是：A. deal with处理，处置，B. adapt to适应
12. She -—— the doctor's advice.
    acted on according to
解析： 句意：她遵医嘱行事。解析：A项：遵照（行事）B项： 根据，按照；取决于；据…所说，做介词
13. We’ll be paid _______the amount of work we do
    including to according to
解析：解析试题分析：句意：根据我们的工作量，我将会得到应有的报酬。including to 包括；according to按照；. thanks to幸亏；because因为。根据语音和语境故选B。
14. How many workers are there in your factory, Mr Brown?________ workers in our factory _________2000.
    ．The number of; are The number of; is
解析：解析试题分析：表示···的数量用the number of，且作为主语时，相当于单数形式，根据句意：布朗先生在你的工厂有多少工人？---在我们工厂的工人的数目是2000人。故选答案为B
15. What do you think of staying here? The traffic is too terrible. ______, It’s not a wonderful place to live.
    As soon as As a matter of fact
解析：解析试题分析：句意：--你觉得呆在这怎样？--交通太拥挤了，事实上，那不是一个居住的好地方。As a matter of fact事实上; 说真的; 其实。结合句意，故选B
16. — I think drinking milk is good ____ your health. — Yes. I agree ____ you.
    for; with to; to
解析：解析试题分析: 句意：---我认为喝牛奶对于你的健康有好处。---是的，我同意你的说法。此题考查固定短语be good for对……有好处；agree with sb同意某人的建议，根据句意，故选A。
17. In the film Murder in a Country House, a doctot is found_______in the house,so the film is _________horror and mysteries
    dying, fill of dead;full of a
解析：解析：find +宾语+形容词（做宾语补足语）本题第一个空是被动语态，根据be full of表示充满了……；句意：在电影Murder in a Country House里，一个医生被发现死在房子里了，所以这部电影是充满恐怖与神秘的。结合句意，故选B
18. I'm very —— this market and have many customers.
    familiar with familiar to
解析：解析：我很熟悉这个市场，有很多顾客。A be familiar to B 是 A被B所熟知，表被动；A be familiar with B 是 A熟悉B，表主动;故应选A
19. I think it essential that one have a good command of English if one wants to—— international trade.
    be engaged in engaging in
解析：句意为：我认为如果一个人想要做国际贸易，那么掌握好的英文是很有必要的。Want to do sth 想要做某事 be engaged in 从事 参加，据题意应选A项。
20. He is _____this task.
    is cable of able
解析：解析：它能够胜任这项工作. be cable of 有能力做某事,能胜任某事,；able V.能够，句中已有be动词，故应选A项。