A、 oughtn't
B、 mustn't
C、 needn't
D、 wouldn't
答案:D
A、 oughtn't
B、 mustn't
C、 needn't
D、 wouldn't
答案:D
A. require
B. requires
C. is required
D. that requires
A. two-storey house
B. house of two story
C. house of two stories
D. two-stories house
A. Bob
B. Bobs
C. Bob's
D. Bobs'
A. look
B. to look
C. looks
D. looking
A. deserting
B. deserted
C. desert
D. to be deserted
A. which
B. that
C. how
D. what
A. How
B. What
C. How a
D. What a