题目内容

Do you know many man-made satellites _____ space by our scientists since the middle of the twentieth century?

A. have sent into
B. were carried into
C. have been sent into
D. have been brought into

试题答案

C
相关题目
Do you know many man-made satellites _____ space by our scientists since the middle of the twentieth century?
[     ]
A. have sent into
B. were carried into
C. have been sent into
D. have been brought into
查看习题详情和答案>>

违法和不良信息举报电话：027-86699610 举报邮箱：58377363@163.com

精英家教网