it be true that we will have to wait for 3 hours in a line to get into the French Pavilion in the Expo Site?
A. Must
B. Shall
C. Can
D. Need
网友回答
A. Must
B. Shall
(答案→)C. Can
D. Need
解析：情态动词辨析。Must 必须；一定。Shall用于二三人称表示应该；会，can，能；可能，need需要。句意：进入世博园法国馆要排三个小时的队可能是真的吗？选C。