1. pay

2.showed them around 

3.when 

4. bored 

1 pay

2 took the class 

3 when

4 bored

1. it cost 3 dollars  to visit the museum.
  =>    They had to .........pay..................... 3 dollars to visit the museum
2. The class was taken around the museum by a guide.
=> A museum guide ........took the class.......... around the museum
3. They did not leave until 4 o'clock
=> It was 4 o'clock....when........ they left the museum
4. Everybody thought that the museum visut was boring
=> Everybody was ......................bored............... by the museum visit

đăng 1 lần thôi nhé bạn

C

 C . don't live 

B

1. C

2. A (are going to hold sẽ hợp hơn)

3. A

4. B

5. B

9. A

10. B

11.  D

Ex3

5 did - collect

6 do - finish

7 surfing

8 enjoys being

Ex4

1 collection

2 hobbies

3 from

4 different

Ex5

1 gardening

2 climbing mountain

3 teddy bears

4 patient - responsibility

Ex5

1 Because it can help increase your strength and energy, giving you a stronger heart

2 Because they don't carry the weight of their body on their feet when cycling

3 If you do too quickly, you can have bad effects

4 twice or three times a week

5 If you find you are in pain, you will stop and take rest

Ex6

1 He is fancy reading picture books

2 Jim finds making models boring because it takes lots of time

3 What does your brother like doing in his free time?

4 I think in the future, people will take up more outdoor activities

1D 

2C

3D

4B

5C

6C

7B

8C

9A

10B

11D

12C

13B

14A

15A

II

1. Câu này hình như bị lỗi

2. Collection

3. Beautiful

4. Creative

5. Collector

6. Boring

7. Carving 

8. Interesting

9. Bird watching

10. photographing

III

1. Is............begining

2. Start.................Finish

3. Will ...... leave

4. will be

A

A

- Có "nowadays" => thì HTĐ: S (số ít) + V (s/es)

- "pollution" là danh từ không đếm được => dùng ở dạng số ít 

D

D.was

Giải thích:was phù hợp vì câu đang mô tả 1 trạng thái trong quá khứ đã kết thúc