A/
I)
1-D.those
2-B.natural
3-B.suburb
II)
4-B.since
5-D.disappointed
6-C.turn off
7-B.but
8-D.will be produced
9-B.am going
10-A.because
11-A.wealth
12-D.wouldn't
13-D.fast
III)
14-A.enough strong ⇒ strong enough
15-A.that⇒who
16-A.learned⇒have been learning
IV)
17-A.in
18-C.the
19-C.feed
20-D.the same
21-B.who
22-A.arriving
23-B.improve
24-A.collect
B/
I)
1-happy
2-choice
3-invention
4-musician
II)
5)F
6)T
7)T
8)T
III)
9) I wish I could speak english well.
10) Paper money has been used for thousands of years.
11) He asked her when she would leave there.
12) She is not only clever but also careful.
