cắn đầu

hay quá

wow

25. D

26. C

27. B

28. C

wow

1: F

2: T

3: F

4: F

5: T

x+(-15)=-35

          x= (-35)-(-15)

          x= 20

vậy x =20

rewrite the following sentences without changing the meaning of the root ones

it is good for you to eat more vegetables(should)

make questions for the underlined parts in the following sentences 

1. - How / your close friend / go / school /?

___________________________________________________________?

- She / cycle /.

___________________________________________________________?

2. Traffic jams / a problem / big cities / Viet Nam /.

___________________________________________________________?

3. If you / not careful / fall off / your bicycle /.

___________________________________________________________?

4. Before / every meal / should wash / our hands / carefully /.

___________________________________________________________?

5. It / about 300 km / Ho Chi Minh City /Phu Quoc Island /.

_________________________________________________________?