If we throw away too much waste and can't keep good ecosystem,we _________ our future.

试卷相关题目

• 1There _________ be any difficulty about winning the speech contest now that you're well prepared for it.

  A.mustn't

  B.shan't

  C.shouldn't

  D.needn't

  开始考试点击查看答案
• 2No matter how the enemy frightened him ,he ______say a word .

  A.did not

  B.could not

  C.might not

  D.would not

  开始考试点击查看答案
• 3You _______ be tired—you've only been working for an hour.

  A.must not

  B.won't

  C.can't

  D.may not

  开始考试点击查看答案
• 4I recommend you _______ the new restaurant on the corner; the food is excellent.

  A.would try

  B.tried

  C.trying

  D.try

  开始考试点击查看答案
• 5---- Don't you think it necessary that he _______ to Miami but to New York? ---- I agree, but the problem is ________ he has refused to.

  A.will not be sent; that

  B.not be sent; that

  C.should not be sent; what

  D.should not send; what

  开始考试点击查看答案
• 6They must have been enjoying themselves there,otherwise they _________ so long.

  A.can't have stayed

  B.wouldn't have stayed

  C.needn't have stayed

  D.couldn't stay

  开始考试点击查看答案
• 7—Where is Jack?I can't find him anywhere. —He__________ his homework upstairs.

  A.might have done

  B.must have done

  C.must be doing

  D.must do

  开始考试点击查看答案
• 8The sun rises in the east and sets in the west，so it seems as if the sun ________ round the earth.

  A.were circling

  B.circles

  C.is circling

  D.be circling

  开始考试点击查看答案
• 9There were already five people in the car but they managed to take me as well . It ______ a comfortable journey .

  A.can't e

  B.shouldn't be

  C.mustn't have been

  D.couldn't have been

  开始考试点击查看答案
• 10Had the boy worked harder,he__________the exams.

  A.must have got through

  B.could get through

  C.ought to get through

  D.would have got through

  开始考试点击查看答案