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定从,名词性,虚拟,时态语态
?时态、语态练习
1.“I don’t like to travel. ”“Have you ever _____ in an airplane?”
a. flying b. flew c. flowed d. flown
2.The center of gravity of the human body ______ behind his joint.
a. located b. locating c. to locate d. is located
3.“Today is very cold, isn’t it?” “Yes, the river is _____ over.”
a. freezed b. freeze c. frozen d. freezing
4.“What happened in that new area?” “New houses ______ recently over there.”
a. are built b. build c. have built d. have been built
5.“When did you go to work?” “As soon as they came, we ______ to work.”
a. went b. were going c. had gone d. go
6.“Did you wait for him very long?” “Yes, I ______ to bed until five in the morning.”
a.did go b. didn’t go c. had gone d. went
7.Perhaps it will be a long time ______ from abroad.
a. when Tom comes back b. when Tom will come back
c.before Tom comes back d. that Tom comes back
8.Tom ______ mathematics throughout his college life.
a. bored b. bored with c. was bored d. was bored with
9.______ that dress when I first saw you at the station?
a. Were you wearing b. Have you worn c. Did you wear d. do you wear
10.Mr Wu ______ to work by bus every day.
a. has been traveling b. has traveled c. travels d. is traveling
11.Don’t disturb him. He ______ to the weather forecast.
a. listens b. is being listened c. has listened d. is listening
12.My English teacher ______ my test.
a.has not yet graded b. has not yet been graded
c.is not yet to be graded d. is not yet graded
13.We ______ on it for many hours, but we have not yet reached any conclusion.
a. are being worked b. are working c. have been working d. have been worked
14.Shanghai ______ on the Huangpu River.
a. stand b. stands c. is being stand d. has stood
15.“Tell the students to stop shouting. We ______ our essays now.”
a. write b. have been writing c. are writing d. have written
16.“______ your best? It’s not satisfactory. I’m afraid you will have to do it again.”
a.Do you try b. Have you tried c. Are you trying d.
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