A.If I am you,Iwill stop smoking. B.If I were you,Iwill stop smoking.
C.If I were you,Iwould stop smoking. D.If I had been you,I wouldstop smoking.
Câu 3:If you take the ice out of the fridge,it_____.
A.vaporizes B.melts C.heats D.disappears
Câu 4:We should do something to protect water from being polluted___we will have nothing to drink in the future.
A.if B.whether C.or D.unless
Câu 5:Let's knock on their door to see ____home.
A.if they're B.unless they're C.whether they were D.if they were
Câu 6: Unless we____more snow,we can't go skiing.
A.will have B.have C.have had D.had
Câu 7:You'll fail the exam_____you start revising.
A.if B.until C. when D.unless
Câu 8:Unless you wash the car, you____not drive it at the weekend.
A.would B.could C.have to D.may
Câu 9:If Peter____his car before the drive, he_____the problem of out of petrol.
A.checked/will not get B.had checked/would not have got
C.checks/will not have got D.would be checking/will not have got
Câu 10:He stepped on the mine,and it exploded.
A. If he doesn't step on the mine, it doesn't explode.
B. If he doesn't step on the mine, it won't explode.
C. If he doesn't step on the mine, it wouldn't explode.
D. If he hadn't stepped on the mine, it wouldn't have explode.