Select the Correct Helping Verb

1. In Thailand, a car _____ travel on the left side of the road.

• could not

• must

• would

• might

2. If you are ill, you _____ go to see the doctor.

• should

• might

• had to

• may

3. A : ____ you like to go fishing with me ?

B : It's nice of you to ask, but I don't think so.

• Would

• Must

• May

• Might

4. The children are not allowed to cross the street alone because they _____ have an accident.

• ought

• can

• shall

• might

5. You _____ his advice into consideration before making a decision.

• could take

• should take

• had to take

• will take

6. A : _____ I turn the radio on?

B : Certainly.

• Might

• Must

• May

• Need

7. Speak up ! I _____ you.

• shouldn't hear

• wouldn't hear

• can't hear

• won't hear

8. My family _____to Phuket for this coming vacation.

• should have gone

• will go

• might have gone

• must go

9. I ____too late last night. I'm not feeling well now.

• shouldn't stay

• wouldn't stay up

• couldn't stay up

• shouldn't have stayed up

10 A : "Is it poison ?"

B : "Yes, you_____drink it."

• may not

• need not

• must not

• should not