1. Mr. Wu : Hi, Mark. Where's your dad? Mark : Oh, he ... to work because there was an emergency.A. has to go
B. had to go
C. have gone
D. have going

2. Friend: Does your sister ... pay to see the doctor?
Brother: No, she doesn't because she has medical insurance.
A. must not
B. have to
C. has to
D. must

3. In order to log on to the Internet, Sally... her user I.D.
A. must enter
B. must entered
C. enter
D. have to enter

4. According to the law, drivers ... at stop signs.
A. must stopping
B. stop
C. must stop
D. will stop

5. If Richard wants to become a professional musician, he ... every day.
A. has to practise
B. prtactises
C. have to practise
D. practised

6. You and your friends are on a trip to Pasir Putih beach. However, none of you knows about the route to the beach. What will be your suggestion?
A. I think we can go home now.
B. What about going to a restaurant?
C. You should open Google Maps application on your phone.
D. You should read the instruction more carefully.​