nguyễn thanh sơn

Using chemical ........................ for farming is one of the causes of global warming

• A. deforestation

• ​B. fertilisers

• ​C. heat-related

• D. water supplies

7. _______________ skills help us analyze a problem scientifically.

• A. Academic

• B. Vocational

• C. Analytical

• D.Practical

One day when I'm rich and famous, I'm going to go on a round-the-world ____.

• A. cruise

• ​B. sail

• ​C. self-catering

• D.survival

Don't leave anything behind, ____?

• A. do you

• ​B. don't you

• C. will you

• D.shall we

Everybody likes beauty, ........................?

• A. doesn't he

• B. do they

• ​C. don't they

• D. does he

Your baby is very lovely, ........................?

• A. is he

• ​B. isn't he

• ​C. is it

• D.isn't it

We ____ our classroom for the  Teachers' Day, but there's still a lot to do.

• A. are decorating

• ​B. decorated

• ​C. have been decorating

• D. have decorated

Sandy ........................dinner four times this week.

• A. cooks

• B. has cooked  

•   C. has been cooking

• D.have cooked

If it ……………………… too much, I will buy the smaller one.

• A. costs

• B. will cost

• ​C. would cost

• ​D. cost

The only thing ____ at the Citadel of the Ho Dynasty is the stone walls.

• A. to see

• ​B. seeing

• ​C. sees

• ​D. see