II.Choose the correct answer.
1. The wind is a clean
A. root
2. Mono
A. is sing
3.
A. enewable
4. When he
of energy.
B. source
a new song at the party at present.
B.sings
C. origin
C.singing
source of energy is the source that can't be replaced after use.
A. comes / am cooking
B. Natural
C. Effective
in, I
in the kitchen.
B. come / am cooking
C. is coming/am
source of energy.
C. serious
5.We are looking for cheap, clean and
A. effective
6.We should put
B. efficient
on our roof for the heating and hot water.
D. strong
D.is singing
D. Non-renewable
D. comes / are
D. dangerous
D. solar panels
A. solar energy
1. Where
A. am
2. Jack
A. is wearing
3. The weather
A. gets
4. My kids
A.am/am playing
5. Look! The train
A. are coming
7. My classmates
B. equipment
his wife?
B. is
a suit today.
B. are wearing
warm this season.
B. are getting
down stairs now. They
B.is/is playing
B. is coming
C. cracks
C. are
D. be
C. am wearing
D. wears
C. is getting
chess.
C. are/are playing
C. are coming
football in the playground at the moment.
D. are gets
D.be/being
D. is coming