13.A
14.C
15.B
16.A
17.A
18.B
19.D
20.C
21.C
22.A
23.C
24.C
25.B
26.A
27.D
28.C
29.B
30.A
31.C
32.A
33.C
34.A
35.B
36.C
37.D
38.D
39.D
40.A
III.
1.He was late for school because of his break bike
2.Despite his fast runner,he isn't tired
3.Because most people thik jogging is a good erercise,they begin to jog
4.People like to live there though the in the country is polluted
5.Because of using for various purposes,they become very popular today
6.Your parents were very happy because you passed the exam
7. If the weather is hot,we will go to the beach
8.He couldn't apply in the exercises although Tom understanfs the lesson
9.Because they played very well,they won the game
10.Tom can't bring because the suitcase is very heavy
