Many a time _______ me with my English study.

Many a time _______ me with my English study.

题目
Many a time _______ me with my English study.
A:have he helped
B:has he helped
C:he have helped
D:did he have helped
答案
B
这里是many a time放句首的倒装.首先需要用现在完成时,其次主语是he,所以后面要说has helped.
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