China has become the third country______it's astronauts into space after Russia and US.

China has become the third country______it's astronauts into space after Russia and US.
A.send.B.sends.C.sending.D.to send
哪个选项?说出原因
英语人气:515 ℃时间:2019-11-21 00:13:22
优质解答
sending
因为China和send之间是主动的关系,所以用动词的ing形式.
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