Every possible means ________ to prevent the air pollution, but the sky is still not clear.
A.is used
B.are used
C.has been used
D.have been used
试卷相关题目
- 1Tom ______the girl that he ______four years ago.
A.married, engaged
B.was married to, was engaged
C.has been married to, was engaged to
D.married with, was engaged in
开始考试点击查看答案 - 2This is the last time that we _____ late for class.
A.had been
B.are
C.were
D.have been
开始考试点击查看答案 - 3—Why did you come by bus? ---My car broke down yesterday evening and I ____ it repaired.
A.didn’t have
B.don’t have
C.won’t have
D.haven’t had
开始考试点击查看答案 - 4Kate ________ on her new novel, which is supposed to come out next month.
A.was working
B.had worked
C.will be working
D.has been working
开始考试点击查看答案 - 5—Here you are! Two pounds of meat and a dozen eggs. —Thank you. How much do you ________ for them?
A.owe
B.offer
C.charge
D.cost
开始考试点击查看答案 - 6The last thirty years _____ the greatest number of laws stopping our rights and progress,until today we have reached a stage ____ we have almost no rights at all.
A.saw;which
B.have seen;that
C.saw;where
D.have seen;where
开始考试点击查看答案 - 7When you are home,give a call to let me know you ________ safely.
A.are arriving
B.have arrived
C.had arrived
D.will arrive
开始考试点击查看答案 - 8It's eight o'clock. The students _____ an English class.
A.have
B.having
C.is having
D.are having
开始考试点击查看答案 - 9— Are you still very busy? — Yes, I _____ the report for the manager and it won't take long.
A.have just finished
B.am just finishing
C.had just finished
D.am just going to finish
开始考试点击查看答案 - 10— Ready to give up guessing, Sandy?— No, no. Hold on! I think I _____ at the answer now.
A.arrive
B.have arrived
C.arrived
D.am arriving
开始考试点击查看答案