The ancient Egyptians are supposed __rockets to the moon.
The ancient Egyptians are supposed __rockets to the moon.
A.to send B.to be sending C.to have sent D.to have been sending
选哪个,为什么?
答案选A,求高手讲解下
A.to send B.to be sending C.to have sent D.to have been sending
选哪个,为什么?
答案选A,求高手讲解下
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