it be true that we will have to wait for 3 hours in a line to get into the French Pavili

问题补充：

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

答案：

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。