1, His laptop hasn't been used by him for two days.

2, His car isn't repaired by him.

3, Letters used to be written to her friends by her.

4, I hope a new album is going to be released.

5, Trees are going to be planted in the park by them.

1,B

2, A

3, C

4, C

5, C, obesity (sự béo phì)

- Phép tu từ : nhân hóa

- Phép tu tư được tạo ra bằng cách : 

+ Sử dụng những chi tiết, hình ảnh có tính nhân hóa các loài sinh vật :

`@` Họ cãi cọ om bốn góc đầm

`@` Có những anh Cò gầy vêu vao ngày ngày bì bõm lội bùn tím cả chân mà vẫn hếch mỏ, chẳng được miếng nào

`@` Tôi đứng trong bóng nắng chiều tỏa xuống ánh nước cửa hang mà suy nghĩ việc đời như thế

....

`=>` Tác dụng : Làm cho đoạn văn trở nên sinh động và gần gũi hơn.

III, 

1, went

2, had

3, bought

4, saw

5, ate

6, thought

7, went

8, drove

9, said

10, told

11, saw

12, bought

13, was

14, didn't go

15, Did she get..?

16, got...had

17, bought

18, had

19, spent

20, lent

21, built

22, sold

23, wore

24, broke

25, chose

26, went

27, met

IV.

1, didn't go

2,  did you do...? - did

3, didn't spend

4, Did you tell...?

5, didn't watch

6, did you do...?

7, Did they buy...?

8, didn't buy

9, didn't talk

10, didn't come

11, didn't close

12, didn't return

13, didn't eat

14, didn't go

15, didn't take

16, didn't have

I, 1, was

2, was

3, were

4, were

5, wasn't

6, wasn't

7, wasn't

8, weren't

9, wasn't

10, was...wasn't

11, was

12, was

13, were...was

14, was

15, was

II, 

1, stayed

2, loved

3, talked

4, returned

5, did we arrive..?

6, walked

7, visited

8, watched

Là một học sinh, để đền đáp công lao của những người có công với cách mạng như chị Võ Thị Sáu em sẽ ra sức học hành thật tốt để sau này lớn lên trở thành một người dân có ích cho đất nước, giúp đất nước phát triển để không phụ công yêu nước của chị.

I (be) ___was_______ at home last Sunday.
My mother (buy) ____bought______ many think yesterday. 
 He (be) __has________ never __been________ To London before.
They (live) ____have lived______ in Ho Chi Minh city since 2015.
______Have____ you ever (see) ___seen_______ a real robot at work? 

D

Zn₂(SO₄)₃  ZnSO₄

NaH₂ \(\rightarrow\) NaH