The airline only allows two pieces of luggage. You ___ pack too much or you will have to take it out at the airport!

A. had better not
B. better not
C.had not better

A gentleman ___ his hat and hold it in his hand when a lady enters the elevator.

A. Should put on
B. should to take off
C. should take off

The reason why he ___ to the meeting is that he is a senator.

A. ought
B. ought go
C. ought to go

Dave loves chocolate, but he ___ too much or he will get fat.

A. Should eat not
B. shouldn’t eat
C. should eat

“I think that the grade my teacher gave me on my test is wrong.”“Really? You ___ to her after class today.”

A. oughtto talk
B. shouldto talk

“Mom, I don’t want to clean my room. ___ do it right now?”“Yes, right now.”

A. must I
B. have I
C. Do I have to

“___ pay to see the doctor?”“No, she ___ . She has medical insurance.”

A. Do your sister have to; don’t
B. Must your sister; mustn’t
C. Does your sister have to; doesn’t

Whena police officer asks to see your driver’s licence, you ___ show him.

A. got have to
B. must
C. have to

Use“should”or“must”to complete each sentence.1.My teacher told me that I ___ review my notes every day. I guess it’s a good idea.2.She was told that she ___ not discuss the case with third parties.3.We get on well and keep saying we ___ meet up for lunch sometime.4.Do you think Carol ___ save her money or spend it? She is planning to go to Europe this summer.5.New drivers ___ take a test in order to get a driver’s licence. They have no choice.6.I’m going to a party tonight. What ___ I wear: a dress or black pants?7.If you are worried about getting fat, you ___ eat at McDonald’s every day.8. You ___ eat healthy, low-fat foods like fruit and vegetables.9.Where ___ we have lunch today: at home or in a restaurant?

Use“had better”or“have to”to complete each sentence.1.Our car’s gas tank is almost empty. We ___ fill it up with gas soon or we will run out!2. Dad said he’d punish you if he caught you drunk again. You ___ not do it again.3.“I heard Jennifer lost her passport. ___ get a new one?”“No, she ___ . She found it in her purse.”4. It’s really raining outside right now. I ___ forget my umbrella or I’ll get wet!5. Canadians ___ pay taxes every year. It’s the law.6. Sasha ___ e-mail her homework to her teacher because she forgot to take it to class yesterday.7. “Does Joseph ___ study very much tonight?”“No, he doesn’t. He did most of his work last night.”8. Barbara ___ go to the supermarket because she doesn’t have enough food for dinner.