第1题：
A. on practice
B. in practice
C. with practice
D. at practice
第2题：
What about the commission? ().
A、 Of course, I’d give you our lowest quotation
B、 I’m afraid you have to tell me how large your order is going to be
C、 It’s a general practice everywhere else
第3题：
A.little
B.much
C.a large number of
D.a large amount of
第4题：
When the fuel oil is burning in the combustion chamber, it _____.
A.gives up large amount of heat
B.gives off large amount of heat
C.gives up large amount of steam
D.gives off large amount of steam
第5题：
A.Of course
B. After you
C. This way ,please
D. Make yourself at home
第6题：
A.the large number
B.the large amount
C.a large number
D.a large amount
第7题：
I was worried about my math, but Mr. White gave me an A. ()
A. That's an easy course.
B. Congratulations!
C. Mr. White is very good.
第8题：
I’m afraid Mr. White isn’t available at the moment. Can I ______?
第9题：
A. going on
B. going through
C. going out
D. going down
第10题：