问题

What ________ it be? — It can’t be a mail box, for it’s moving. It ________ be a car. [ ]
A: must; must
B: can; can
C: can; must
D: must; can
B: can; can
C: can; must
D: must; can
正确答案是:
同类题型
The Great Wall is _________of Chinese culture.
________the training of the FDS company,JacksonSharoffwasofferedanimportantpositionin management.[ ]
Ladies and gentlemen, please turn off yourmobile phones. The plane will _________ soon.
All the movie theaters are good, but the Screen City is _______ in our town.