4. Fill each blank with must or mustn't.

(Điền vào mỗi chỗ trống với must hoặc mustn’t.)

1. You_________leave the hotel room before 12 o'clock.

2. You_________make lots of noise in the museum.

3. My mum says you_________always tell the truth.

4. You know you_________go to bed with your shoes on.

5. I want to speak English better. I_________practise more.

3. Fill each blank with a, any, some, much, or many.

(Điền vào mỗi chỗ trống với a, any, some, much, hoặc many.)

1. How__________books are there in your bag?

2. There isn't__________milk in the fridge.

3. How__________sugar do you need for your tea, Mum?

4. We need to buy__________new furniture for the house.

5. There is__________big cave in this area. 

2. Choose the correct option for each sentence.

(Chọn đáp án đúng cho mỗi câu.)

1. I have___________questions to ask you.

A. a few           B. a little

2. Australia is very nice. It has___________natural wonders.

A. much              B. many

3. This is a difficult lesson, so only___________students can understand it.

A. a few           B. many

4. It is a very dry area. They don't have___________rain in summer.

A. a little         B. much

5. We've got very___________time before our train leaves. We must hurry up!

A. little            B. much