Chọn đáp án đúng: If someone into the store, smile and say, “May I help you?”

1. If someone  into the store, smile and say, “May I help you?”
A. comes B. came C. will come D. would come
2. If you  all of my questions, I  anything to help you.
A. don’t answer / can’t do B. didn’t answer/ won’t do
C. wouldn’t answer/ can’t do D. wouldn’t answer/ couldn’t do
3. “Here’s my phone number.” - “Thanks, I  you a call if I  some help.”
A. will give / will need B. would give/ needed
C. give/ need D. will give/ need
4. The teacher was absent today, so the class was canceled. If she  absent again tomorrow, class  tomorrow, too.
A. is / will cancel B. is/ will be canceled
C. was / would be canceled D. was/ would cancel
5. I won’t lend you this money  you promise to pay it back.
A. in case B. if C. otherwise D. unless
6.  there are some more ideas, we can end the meeting now.
A. Unless B. If C. As if D. In case
7. “It’s really raining.” “Yes. If the weather , we’ll have to camp somewhere else.
A. would get worse B. might get worse
C. gets worse D. should get worse
8. If anyone ,  him I  back at 9 o’clock.
A. calls / tell / will be B. called / telling / would be
C. is calling / tells / am D. will call / to tell / am
9. If she asks for money, I  her.
A. will give B. gave C. would give D. would have given
10. If I  this exam, I’ll go to the university next summer.
A. pass B. to pass C. had passed D. passed
11.  more information, please telephone our main office.
A. If you will need B. Should you need
C. You should need D. If you needed
12. If Jack refuses to help, we  manage without him.
A. have to B. will have to
C. had to D. are having to
13. I cannot buy a new computer  I save enough money.
A. if B. even if C. unless D. as if
14. You will get a good seat if you  first.
A. come B. came C. have come D. will come
15. We’ll be late unless we  now.