I have been looking for Michael for a whole day. Where he have gone?A. shouldB. canC. mus

问题补充：

I have been looking for Michael for a whole day. Where he have gone?

A. should

B. can

C. must

D. may

答案：

A. should

(答案→)B. can

C. must

D. may

解析：考查情态动词表推测的用法。can 表推测常用语疑问或否定句中，can have done 表示对过去的推测，句意：我一整天一直在找米莎尔，他可能会去哪呢？所以选B。