问题

We don’t doubt the boy can the angry teacher. [ ]

A: if; apologize for
B: whether; apologize to
C: that; apologize to
D: what; apologize

正确答案是：

同类题型

It was not until 1911, _______ the first vitamin was identified, _______ people realized the importance of it．

How long are you stayingthere —____________.

IkeptaskingMr.Smithtostayforlunchandhefinally___________.

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The art exhibition is really worth _______，and you’re sure to learn lotfrom it.