You be tired after one hour’s walk . please stop to have a rest.A. need B.must C.can

问题补充：

You be tired after one hour’s walk . please stop to have a rest.

A. need B.must C.can

答案：

解析：本题的含义为你步行了一个小时一定很疲惫，请停下来休息，表示推测的可能性最大应该用must，意思为一定，故本题选B。