9.He made an immense amount of money in business.
A) large
B) small
C) limited
D) little
10.The substance can be added to gasoline to accelerate the speed of automobiles.
A) quicken
B) shorten
C) loosen
D) enlarge
11.We should never content ourselves with a little book knowledge only.
A) convince
B) satisfy
C) comfort
D) benefit
12.We should contemplated the problem from all sides.
A) deliberated
B) thought
C) described
D) designed
13.His health had deteriorated while he was in prison.
A) became better
B) became worse
C) became stronger
D) became weaker
14.I meant to give you this book today， but I forgot.
A) intended to
B)tended to
C) extended to
D) pretended to
15.As a matter of fact， I love soft music more than popular music.
A) basically
B) probably
C) actually
D) accurately