[题目]---How many Chinese astronauts into space since 2003?----Twelve , including two women.A.were sent B.sent C.have been sent D.have sent 题目和参考答案——青夏教育精英家教网—

题目内容

【题目】---How many Chinese astronauts ______ into space since 2003?

----Twelve , including two women.

A.were sent B.sent C.have been sent D.have sent

【答案】C

【解析】

试题分析：句意:——自从2003年以来，多少中国宇航员进入太空？——12个。包括两个女宇航员。Since 2003引导的句子用现在完成时，根据语意句子用被动语态，所以该句用现在完成时的被动语态。故选C。

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