问题
选择题
You ________ stop when the traffic light turns red.
A.can
B.had better
C.need
D.must
答案
答案:D
must是“必须,不得不”,根据下文出现的when the traffic light turns red.可知是“你必须……”。
You ________ stop when the traffic light turns red.
A.can
B.had better
C.need
D.must
答案:D
must是“必须,不得不”,根据下文出现的when the traffic light turns red.可知是“你必须……”。