—Whyisshestillstandingthere?—She

问题详情:

—Whyisshestillstandingthere?—She

— Why is she still standing there?

— She ________be waiting for her boyfriend.

A. can                          B. must                          C. dare                       D. need

【回答】

B

知识点:情态动词

题型:选择题