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to do 和ingChina is the third country_____ its astronauts int

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to do 和ing
China is the third country_____ its astronauts into space
A.Sending
B.To send
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to do 和ingChina is the third country_____ its astronauts int
B
这种表达是固定搭配,sb is the 1st/2nd/3rd...to do something,表示某人或者某事是首次/第二个/第三个……做……的人/事.
如：
He is the first one to get married in our class.
to do 和ingChina is the third country_____ its astronauts int the third is to the ______ our astronauts desire to do is walk in space 一个问题China has become the third country______it's astronauts China has become the third country______it's astronauts into Now our country_____(become)stronger and stronger The boy is It is necessary to have _ test.A.third B.the third C.a third a third 和 the third It is said that aliens tried to warn the astronauts on the m understanding is the third. The third party to a third party 选词填空.China is now ___ (third , the third)country to send a p