B. source
a new song at the party at present.
1. The wind is a clean
II.Choose the correct answer.
of
energy.
A. root
2. Mono
A. is sing
3.
A. enewable
4. When he
B.sings
Targe
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. Mary
D. strong
D.is singing
D. Non-renewable
D. comes/are
D. dangerous
Du
ch
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
D. solar panels
D. be
C. are
D. wears
C. am wearing
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