问题
Not until his mother came in ________to prepare his lessons.
A:did the boy begin
B:the boy began
C:began the boy
D:the boy did begin
B:the boy began
C:began the boy
D:the boy did begin
正确答案是:
同类题型
This famous tower more than 300 years ago.
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You’d better stop complaining again and again.Otherwise, you’ll ______ quarreling with Rose again.
.Wait till you are more ______. It’s better to be sure than sorry.