While every possible means __________ to prevent the river pollution, the river in my hometown has still not been restored to its past beauty.
A.is tried
B.are tried
C.has been tried
D.have been tried
试卷相关题目
- 1He will come to call on you the moment he ______his painting.
A.will finish
B.finished
C.has finished
D.had finished
开始考试点击查看答案 - 2— Hello, I _______ to ask if I can book two tickets for tonight's film. — Sorry, we've already sold out.
A.phone
B.will phone
C.am phoning
D.have phoned
开始考试点击查看答案 - 3---He lost his job last week, but he seems happy. ---I think he _____ to put on a brave face.
A.is trying
B.tries
C.tried
D.has tried
开始考试点击查看答案 - 4—I'll come to see your performance at 9:00 tomorrow evening. —I'm sorry, but by then my performance ____ and I ____ reporters in the meeting room.
A.will have ended; will be meeting
B.will end; will meet
C.will be ended; am going to meet
D.is to end; will meet
开始考试点击查看答案 - 5--Did you listen to the report last Friday? --- Yes, it was about the shortage of migrant workers. That was the first time I______ about the subject.
A.heard
B.was hearing
C.would hear
D.had heard
开始考试点击查看答案 - 6I like soft and gentle music. It _______ nice.
A.tastes
B.looks
C.sounds
D.feels
开始考试点击查看答案 - 7Years ago we didn't know this, but recent science study ________that people who don't sleep well soon get ill.
A.showed
B.will show
C.has shown
D.is showing
开始考试点击查看答案 - 8Mum, I was wondering if you could lend me a few dollars until I________ on Friday.
A.get paid
B.got paid
C.have paid
D.had been paid
开始考试点击查看答案 - 9—When will you lend me this new magazine? —The moment I _________it.
A.read
B.have read
C.will have read
D.will read
开始考试点击查看答案 - 10—This is the first time I __________ my first picture with my own hands. —It's time that you __________ a picture for me.
A.took; will take
B.have taken; took
C.took; took
D.will take; have taken
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