泽熙美文Ⅰ. Grammar: Modal Verbs
A、Multiple Choices
1. The construction crew might ______ the bridge in time for the holiday traffic.
A.finished
B.to finish
C.finish
D.finishing
正确答案：C
2. The children should ______ “thank you” to you when you gave them their gifts.
A.had said
B.to have said
C.have said
D.saying
正确答案：C
3. If you have an aquarium, you ______ give your tropical fish too much food or they’ll die.
A.must/have to
B.must not
C.don’t have to
D.might
正确答案：B
4. You ______ quit your job until you find another one.
A.had better not to
B.had better not
C.would better not to
D.would better not
正确答案：B
5. You ______ exert yourself. You’re still not fully recovered from your surgery.
A.must/have to
B.must not
C.don’t have to
D.should
正确答案：B
6. My room is a mess, but I ______ clean it before I go out tonight. I can do it in the morning.
A.must/have to
B.must not
C.don’t have to
D.ought
正确答案：C
7. ” ______ you hand me that pair of scissors, please?” “Certainly.”
A.May
B.Shall
C.Will
D.Should
正确答案：C
8. “Larry drove all night to get here for his sister’s wedding. He ______ exhausted by the time he arrived.” “He was.”
A.ought to be
B.could be
C.must have been
D.will have been
正确答案：C
9. “I locked myself out of my apartment. I didn’t know what to do.” “You ______ your roommate.”
A.could have called
B.may have called
C.would have called
D.must have called
正确答案：A
10. —Don’t forget to come to my birthday party tomorrow.
—I ______.
A.don’t
B.won’t
C.can’t
D.shouldn’t
正确答案：B
11. Research findings show we spend about two hours dreaming every night, no matter what we ______ during the day.
A.should do
B.may do
C.should have done
D.may have done
正确答案：D
12. He painted his bedroom black. It looked dark and dreary. He ______ a different color.
A.had to choose
B.should have chosen
C.must have chosen
D.could have been choosing
正确答案：B
13. You ______ him so closely; everybody has his private distance.
A.couldn’t have followed
B.mustn’t have followed
C.couldn’t have been following
D.shouldn’t have been following
正确答案：D
14. Whenever my parents went out in the evening, I ______ the job of taking care of my younger brother.
A.would get
B.should get
C.must have gotten
D.had better get
正确答案：A
15. If you ______ me, I shall be grateful to you.
A.helped
B.will help
C.are helping
D.will be helping
正确答案：B
16. I can’t find my wallet anywhere. I ______ it in the office.
A.have left
B.must have left
C.could have left
D.should have left
正确答案：B
此句中，must have done表示对过去动作或已完成动作的肯定判断。
17. “Why are you so sure that Ann didn’t commit the crime she’s been accused of committing?”
“She ______ that crime because I was with her, and we were out of town on that day.”
A.may not have committed
B.wasn’t supposed to commit
C.committed
D.couldn’t have committed
正确答案：D
18. Many people who ______ like to lose weight have joined health clubs and nutrition centers.
A.will
B.would
C.shall
D.are to
正确答案：B
19. My pain ______ apparent the moment I walked into the room, for the first man I met asked sympathetically: “Are you feeling all right?”
A.must be
B.had been
C.must have been
