Cau dieu kien

ĐỀ BÀI TẬP 5
Exercise 1: One of the four underlined parts marked A, B, C, D in each sentence is not correct in standard English. Identify them.
If Lucia had been here now, she would find out the truth about her uncle’s accident.
A B C D
If a student takes a course on Computer Science, it will take him four years doing the course.
A B C D
Unless it did not rain, Peter would pay us a visit.
A B C D
If had I known you were in financial difficulty, I would have helped you.
A B C D
If I had knew the time when the match started, I would have told you.
A B C D
If she had finished the work, she can go home.
A B C D
If I had spoken more confident at the interview, they would have offered me the job.
A B C D
If we had had a map, we would not be lost yesterday.
A B C D
Had I known Alice’s address, I would write to her.
A B C D
If I had realized that the traffic lights were red, I would stop.
A B C D
If had you sent the application form to that company, you would have been offered a job.
A B C D
If you don’t care conservation the environment, we will get unavoidable disasters.
A B C D /,ʌnə`vɔidəbl/ kh. thể tránh được; tất yếu
He spends money carelessly as if he was a millionaire.
A B C D
Unless you work harder, you will be sack because of your laziness.
A B C D
Unless there had been the heavy storm, the climbers will not have died.
A B C D
She has found that nobody can help her if she did not try her best to do it herself.
A B C D
Exercise 2: Choose the best answer for each of the following sentences.
If the oceans _____of fresh water, there_____ plenty of water to irrigate all the deserts on earth.
A. is / will be B.were / would be C. would be / were. D. had been / would have been
_____have enough apples, she’ll bake an apple pie this afternoon.
A.Should she B. If she C. Will she D. Unless she
If you_____to me, you wouldn’t have got so much trouble.
A. listened B. would listen C. had listened D. Would have listened
If you don’t know how to spell a word, you_____ look it up in the dictionary.
A. must B. will C. should D. ought
If the sun _____, we _____for a walk.
A. shines / will go B. shone / will go C. shone / would go D. had shone / would go
The campfire _____ if it _____ last night.
A. wouldn’t be cancelled / hadn’t rained B. wouldn’t have been cancelled / hadn’t rained
C. would have been cancelled / hadn’t rained D. will be cancelled / rains
But for our parents, we _____ successful in life.
A. will never be B. would never be C. wouldn’t have be D. would have never been
If I _____ my wallet at home this morning, I _____ money for lunch now.
A. leave / will have B. didn’t leave / would have
C. hadn’t left / would have D. hadn’t left / would have had
It is too bad, Lam isn’t here. If he _____ here, he _____ what to do.
A. were / would know B. is / will know
C. had been / would have known D. was / would know
If we _____ the plans carefully, we would not have had so many serious mistakes.
A. study B. had studied C. studied D. were studying
I will never talk to you again _____ you apologize me _____ your being rude.
A. if / for B. unless / for C. or / of D. whether / or
_____ if you work harder, you will be sacked.
A. Whether B. If C. However D. Unless
I think you should stop smoking.
A. If I am you, I will stop smoking. B. If I were you, I will stop smoking.
C. If I were you, I would stop smoking. D. If I had been you