“Why isn’t John in class?”“He be sick, or he’d have been here already.”()
A. should
B. may
C. must
D. would
第1题:
He()lunch in the canteen right now.
A. has
B. is having
C. have
第2题:
John's score on the test is the highest in his class, he ______ very hard.
A. must have studied
B. should have studied
C. must study
D. should study
第3题:
第4题:
He seldom does his homework at school on weekdays,( )he?
A. doesn't
B. isn't
C. does
D. is
第5题:
第6题: