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- 31He is generally considered _________the first computer.
A.to have invented
B.inventing
C.to invent
D.having invented
开始考试练习点击查看答案 - 32He seems __________ what he is looking for.
A.to have forgotten
B.to forget
C.forgetting
D.being forgotten
开始考试练习点击查看答案 - 33China is now the third country to conduct spacewalk, the other two _______ that are the former SovietUnion and the US.
A.to achieve
B.having achieved
C.to have achieved
D.achieving
开始考试练习点击查看答案 - 34The Chinese ship, Tianyu 8, was reported ______ off the east coast of Kenya in November, 2008.
A.to be attacked
B.to have been attacked
C.to be attacking
D.to have been attacking
开始考试练习点击查看答案 - 35Five people were reported _____ in the accident.
A.killing
B.to be killed
C.killed
D.to have been killed
开始考试练习点击查看答案 - 36The novel gone with wind is said _____ into several language.
A.to translate
B.being translated
C.having been translated
D.to have been translated
开始考试练习点击查看答案 - 37Bell is considered _____ the first phone in 1896.
A.inventing
B.having invented
C.to invent
D.to have invented
开始考试练习点击查看答案 - 38Earth is believed ______ by an object the size of Mars at some point in the distant past before its surface cooled.
A.to be hit
B.to have hit
C.to have been hit
D.to hit
开始考试练习点击查看答案 - 39The split between humans
and living apes is thought by some scholars ____ 15 to 20 million years ago.A.to occur
B.occurring
C.to have occurred
D.having occurred
开始考试练习点击查看答案 - 40I 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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