问题补充:
is known to everybody that the moon travels round the earth once every month.
A. It
B. As
C. That
D. What
答案:
(答案→)A. It
B. As
C. That
D. What
解析:it 为形式主语,真正的主语是后面的 that 从句。
时间:2021-02-20 04:20:59
is known to everybody that the moon travels round the earth once every month.
A. It
B. As
C. That
D. What
(答案→)A. It
B. As
C. That
D. What
解析:it 为形式主语,真正的主语是后面的 that 从句。