surfing

a) I don't know what they are playing in their room now.

b) Please wait for us outside the school gate.

+Tony and Kaity are helping the teacher right now

-Tony and Kaity aren't helping the teacher right now

?Are Tony and Kaity helping the teacher right now

5^x+ 5^x. 5= 150

5^x. (1+5) =150

5^x. 6= 150

5^x= 150: 6

5^x= 25

5^x= 5²

x= 2

Vậy x=2

1. works

2. likes

3. lives

4. rains

5. fries

6. closes

7. tries- don't think

8. passes

9. is- watches

10. writes

-1