1. B enjoy-> enjoys

2. A When-> IF

3. B plays-> play

4. D health-> healthy

5. B

6. ko co cau sai ;-;

7. A did-> have

8. B wanted-> want

=> (n+1) ∈ Ư(6)

=> (n+1) thuộc { 1;2;3;6}

lập bảng

=> n ∈{0;1;2;5}

Nhôm tan dần, xuất hiện khí

2Al+6HCl-> 2AlCl3+3h2

a=300

b=0

cleans

A man’s bread and butter is only insured when he works for it. “Marcus Garvey”

(Bread and butter = kế sinh nhai)

Bread and butter is my favourite breakfast food. (Bread and butter = Món bánh mì bơ)

Cleans.               cleans chứ ;-;

9. is coming

10. studies

11. fix

12. are doing

13. will be

14. go

15.drawing

16. learns

17. am trying

18. will write

5.A

6.C

7.C

8.D

A. Thông tin

1. They go on working in the bad weather.

2. Even though she's young, she's the most famous artisan in the village.

3. After we had eaten lunch in a restaurant, we went to a hotel