题目内容
A dog ran in front of my mother’s car and she __________ stop very quickly.
A.ought to | B.had better | C.used to | D.had to |
D
解析
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题目内容
A dog ran in front of my mother’s car and she __________ stop very quickly.
A.ought to | B.had better | C.used to | D.had to |
D
解析