C. Carbon dioxide

C

D

5. There is a beautiful flower garden behind my house.

1. That book is cheaper than this one.

2. When did you play soccer ?

3. Peter is interesting in listeing to music.

4. My sister is a skilled typist.

5. It takes them 2 hours to clean the windows.

1.B

2.A

3.A

4.B

5.B

Did she have a good vacation last summer ?

How much is the ice cream? - 2000 dong.

1.B 2.A 3.D 4.B 5.A

1. frightening 2. frustrated 3. depressing 4. stressed - relaxing 5. shocking 6. amazed 7. amused 8. bored 9. disappointed 10. exciting