14.I ______ Jack the moment I saw him.
A.knew B.recognized C.realized D.understood
13.The teacher ______me to have another try.
A.warned B.suggested C.hoped D.asked
12._______ you work at English, ______progress you will make on it.
A.The harder; a greater B.Harder; the greater
C.The harder; greater D.The harder; the greater
11.We should consider what use can be made ______ such a material.
A.of B.from C.up D.in
10.---Why did the teacher get angry?
---______what we had done the day before.
A.Because B.Since C.As D.Because of
9.You’d better ______ your scores and see if you have passed the exam.
A.add up B.add up to C.add to D.add to up
8.You can never know ______when she received our nice birthday presents.
A.how she was pleased B.how excited she was
C.how happy was she D.she was how interested
7.Oh, I’m not feeling well in the stomach.I ______ so much fried chicken just now.
A.shouldn’t eat B.mustn’t have eaten
C.shouldn’t have eaten D.mustn’t eat
6.You should keep ______ while I take a photo of you.
A.calm B.quiet C.still D.silent
5.______ finish their task ahead of time, the students worked harder and harder.
A.So as to B.As to C.In order to D.In order not to