问题

In fact , listening is just as_____ as speaking in language learning.
A:keep
B:kept
C:keeping
D:to keep;
B:kept
C:keeping
D:to keep;
正确答案是:
同类题型
Do you know what the books are for?—I know and____ in time?[ ]
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Nothing is so easy asparents raise their expectations of their children too high
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