Choose the correct answer
Chose the correct answer.
Mr. Wu: Hi, Mark. Where's your dad?
Mark: Oh, he ______________ to work because there was an emergency.
- a. musted go
- b. had got to go
- c. had to go
Friend: _________________________ pay to see the doctor?
Brother: No, she ________________ because she has medical insurance.
- a. Do your sister have to / don't
- b. Does your sister have to / doesn't
- c. Must your sister / musn't
Son: Mom, I don't want to clean my room. _________________ it right now?
Mother: Yes, right now.
- a. Do I must clean
- b. Have I to clean
- c. Do I have to clean
Drivers ______________ at stop signs. It is the law.
- a. must to stop
- b. mustn't stop
- b. have to stop
If you have a pet dog, you ______________feed it every day.
- a. have got
- b. must
- c. mustn’t