Have to/Must

On Sunday, students .... go to school.

• have to

• don't have to

• mustn't

• doesn't have to

If you want to get high scores, you .... study hard.

• hast to

• mustn't

• must

• don't have to

We .... hurry up because we don't have any time left.

• have to

• don't have to

• has to

• doesn't have to

Parents .... leave children under 3 at home alone.

• must

• have to

• don't have to

• mustn't

Đặt câu hỏi cho câu sau:

He has to finish all homework today.

• Do he have to finish all homework today?

• Does he have to finish all homework today?

• Do he has to finish all homework today?

• Does he has to finish all homework today?

Tìm lỗi sai trong câu sau:

People must to wear helmets when they ride motorbikes.

• must to

• wear

• they

• ride

You .... wash clothes. There is a washing machine in the bathroom.

• have to

• must

• don't have to

• mustn't

Do Alan and Peter have to draw pictures for the event?

• Yes, he do

• Yes, they do

• No, they doesn't

• No, he don't

How many monkeys ..... feed?

• do she have to

• does she have

• do she have

• does she have to

It isn't necessary, they .... do.

• don't have to

• have to

• mustn't to

• must to