Robert is said _______ abroad, but I don’t know what country he studied in. A．to
题型：不详难度：来源：
Robert is said _______ abroad, but I don’t know what country he studied in. | A．to have studied | B．to study | | C．to be studying | D．to have been studying |
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答案
| A |
解析
| 由 studied 可知，他曾到国外留过学，“留学”这个动作已结束并发生在谓语动作(is said)之前，所以要用完成式。 |
举一反三
Fishing is his favorite hobby, and _______. | A．he’d like to collect coins as well | B．he feels like collecting coins, too | | C．to collect coins is also his hobby | D．collecting coins also gives him great pleasure |
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The research is so designed that once _______ nothing can be done to change it. | A．begins | B．having begun | C．beginning | D．begun |
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When I got back home I saw a message pinned to the door _______ “Sorry to miss you; will call later.” | A．read | B．reads | C．to read | D．reading |
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I would love _______ to the party last night but I had to work extra hours to finish a report. | A．to go | B．to have gone | C．going | D．having gone |
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The first textbooks _______ for teaching English as a foreign language came out in the 16th century. | A．having written | B．to be written | C．being written | D．written |
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