摘要： is known to all, the moon travels round the earth once every month. A.It B.As C.That D.what
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_________ is known to all, the moon travels round the earth once every month.
A. It B. As C. That D. What
查看习题详情和答案>>_________ is known to all, the moon travels round the earth once every month.
A. It B. As C. That D. What
查看习题详情和答案>>
_________ is known to all, the moon travels round the earth once every month.
| A．It | B．As | C．That | D．What |