Only when you realize the importance of foreign languages _______ them well.
A、you can learn
B、can you learn
C、you learned
D、did you learn
第1题:
A.mustn't
B.can't
C.needn't
第2题:
Must I stay at the office this afternoon? ---No, you ______.
A、don’t
B、needn’t
C、don’t need
D、can’t
第3题:
Why do you want a new job ______you've got such a good one already?
A. that
B. where
C. which
D. when
17.答案为D。为什么你已经有个好工作,还要找新工作?分析整句结构,从句做状语,只有 D为正确选项。
第4题:
A、wouldn’t have seen
B、shouldn’t have seen
C、mustn’t have seen
D、can’t have seen
第5题:
A.Must; needn’t
B.Can; can’t
C.May; mustn’t
D.Can; mustn’t
第6题:
7. If you were in Sahara,you ________ the value of fresh water.
A. will realize
B. realized
C. would realize
D. realize