17、The country has already sent up three unmanned spacecraft，the most recent ________ at the end of last March．

A．has been launched                             B．having been launched

C．being launched                                    D．to be launched

17、B

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科目：高中英語(yǔ) 來源：2013-2014學(xué)年高考二輪復(fù)習(xí)訓(xùn)練：專題2 非謂語(yǔ)動(dòng)詞英語(yǔ)試卷（解析版） 題型：單項(xiàng)填空

The country has already sent up three unmanned spacecraft，the most recent ________ at the end of last March.

A．has been launched? B．having been launched

C．being launched? D．to be launched

 

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科目：高中英語(yǔ) 來源： 題型：

The country has already sent up three unmanned spacecraft，the most recent ________ at the end of last March．

A．has been launched                             B．having been launched

C．being launched                                    D．to be launched

查看答案和解析>>

科目：高中英語(yǔ) 來源： 題型：

The country has already sent up three unmanned spacecraft，the most recent　　　　 at the end of last March.?

A.has been launched　　 B.having been launched?

C.being launched　　 D.to be launched

 

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