Đáp án:
1,coal is a.....energy
A.nuclear.
B.solar.
C.biogas.
D.natural (năng lượng tự nhiên)
2, there wind turns....to make electricity
A.fans. (làm quay quạt gió)
B.leaves.
C.turbines.
D.kites
3,did you....marbles when you were small
A. Used to play.
B.Used to playing.
C.use to play. (phủ đinh của used to)
D.use to playing
4,i could not eat.....i was very hungry
A.even though. (even though + mệnh đề)
B. In spite of.
C. Despite.
D however
5,..... canswer this question? - Nobody
A. When.
B. What.
C. Which.
D.who (Ai?)
6. Mr brown is always busy he has...... time to relax than his brother
A. Much.
B. Fewer.
C. More.
D. Less (có ít thời gian)
7,my uncle..... On this farm since he was 20
A. Have worked. (Thì Hoàn thành )
B. Has worked.
C. Worked.
D. Is working