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 【查看更多】

 

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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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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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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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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>>

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

A．has been launchedB．having been launched
C．being launchedD．to be launched

查看答案和解析>>


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