【题目】一I'm afraid I have to leave now, for you see, he is waiting for me.
----Well, if you_ , at least wait till the heavy rain stops.
A. could B. should C. must D. might
在线课程【答案】C
【解析】句意：我恐怕我不得不现在离开了，因为你知道，他在等我。---好的，如果您必须走，至少要等到大雨停了再走。Could能；should应该；must必须，一定；might可能。根据语义选C。