17.if she ... to me, she .. in trouble right now
A.had listened/would be B.had listened/would have be
C.had listened/would not be D.A&B
18.if people paid a little more attention to the enviroment the earth ... greener
A.wouldbe B.willbe C. would have been D. had been
19. If he hadn't wasted too much time, he ... in his examination now.
A. would fail B. wouldn't fail
C. wouldn't have failed D. won't fail
20. ....she studies hard, she'll pass her exams. A. Before
B. Had C.unless D. provided that
21. ...... you promise faithfully to pay me back, I will lend you some money.
A. As long as B. Had C. Unless D. Otherwise
22. We will accept your job application form... you have good qualifications.
A. after B. unless C. provided that D. otherwise
23. ....it is raining heavily, I will go for a picnic
A.Since B.unless C. provided that D. suppose
24. We must start early, ... we will not get a good seat.
A. As long as B. Had C. Unless D. Otherwise
26. I hope that she mends her way, ... she will be sacked.
A. otherwise B. unless
C. provided that D. suppost
27. I used the calculator in my iPhone, ...It would have taken me longer time to calculate the total revenue
A. If
B. otherwise
C. provided that
D. supposing that
28. He was busy yesterday, otherwise he ... to the meeting.
A. would come
B. would have been
C. had been
D. will be
29.
He revised his lesson carefully last night, otherwise he_the teacher's questions now.
C. had not answered
A. couldn't answer
B. couldn't have answered
D. can not answer
30:She must have been sleepless last night. Otherwise, her eyes .... so bloody now.
A. won't look
B. wouldn't look C. wouldn't have looked
D. looked
31. She used a washing machine,... I would have taken her hours to wash all her clothes manually.
A. otherwise
B. unless
C. provided that D. If
32: They might have told us the way, ......
A. or
B. unless
C. when
D. if
33. .........we invested in the oil industry two years ago, we would be wealthy by now.
A. When
B. Had
C. Unless
D. Although
34. ..........,he would have been able to pass the exam.
A. Studying harder last year
B. If he studied hardly last year C. Had he studied harder last year
D. Provided he studied hard last
