How ___________ you?[ ]
A. is
B. Are
C. are
答案:C
预约再保险合同与固定再保险合同一样,都是()性合同。
A.长期
B.短期
C.不定期
D.中期
I think students______ to do homework with friends.
A.is allowed
B.are allowed
C.should allowed
D.should be allowed