问题

He didn’t know _______ next, so he asked his teacher for help.
A:不填, 不填
B:the, a
C:不填, the
D:the, 不填;
B:the, a
C:不填, the
D:the, 不填;
正确答案是:
同类题型
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Marry had a good time at the party.—____and so did I.
As is known to us all, travelling all overthe world is out of question withoutpassport.