问题 选择题

–Dad, _____ we wait until the light becomes green?

--Yes, we ______ . That’s the traffic rule.

A.need, can

B.shall, must

C.must, have to

D.can, need

答案

答案:C

题目分析:句意:---爸爸,我们必须要等到灯变成绿色吗?---是的,我们必须,那是交通规则。Need需要; must 一定;have to不得不; can能会;根据句意故选C.

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