B C C A  B D C

1 B

2 C

3 C

4 A

5 B

6 D

7 C

Does your father get to work by bicycle?

Does your father get to work by bicycle?

3. Does your father cycle to work?

Does your father get to work by bike?

1 me 

2 too

3 done

doing

having

4 interested

5 as to

6 standing

when

7 helping

8 too

9 such

a

10 used

11 when

12 shouldn't

13 is - cost

Áp dụng tính chất của dãy tỉ số bằng nhau, ta được

\(\dfrac{a}{3}=\dfrac{b}{4}=\dfrac{b-a}{4-3}=23\)

Do đó: a=69; b=92

Chào em, em tham khảo nhé!

1. won't finish

2. had learnt

3. is

4. didn't rain

5. had gone

6. hadn't told

7. would understand

8. will throw

9. would be

10. will post

11. will go

12. is hitting

13. won't do

14. will make

15. will go

16. go

17. eat

18. was washed

19. will be built

20. was cleaned

Chúc em học tốt và có những trải nghiệm tuyệt vời tại hoc24.vn!

1 A

2 B

3 C

4 C

A 

B 

 C

C

1 A

2 B

3 C

4 C

1 A

2 B

3 A

4 A

5 B

a d a a b

10. Outside the city

11. He/she doesn't like to live in blocks of flats

12. to cool water

13. to save the environment

14. all are correct

Chúc bạn học tốt nha!!