Not only the USA and Russia but also China ________ manned satellites to circle the earth.
A.has sent up | B.has been sent up |
C.have sent up | D.had been sent up |
相关知识点
推荐套卷
Not only the USA and Russia but also China ________ manned satellites to circle the earth.
A.has sent up | B.has been sent up |
C.have sent up | D.had been sent up |