Unit 8_Grade 5

We ____ drink a lot of water.

• must

• mustn't

We ____ eat a lot of vegetables and fruits.

• must

• mustn't

We ____ go to bed early.

(early: sớm)

• must

• mustn't

You ____ watch TV all day.

• must

• mustn't

We ____ do exercise every day.

• must

• mustn't

We don't swim there ____ the sea is very cold.

(cold: lạnh)

• because

• so

There's a restaurant, ____ we have dinner there.

• so

• because

It's Sunday, _____ we don't have to go to school.

• so

• because

I don't like big cities _____ it's noisy.

(noisy: ồn ào)

• so

• because

What can you do in Nha Trang?

I can _______.

• take photos

• see beautiful lakes

• learn about the history