1[.单选题]He has just taken an examination __ chemistry.
2[.单选题]It was not until he arrived at the station __ he realized he had forgotten his ticket.
3[.单选题]I didn't know the answer,__.
A.neither he did
B.neither did he
C.neither he knew
D.he didn't neither
4[.单选题]She __ into tears when she heard from the hospital that her father died.
【解析】burst into tears表示“突然哭起来”，属于固定用法。
5[.单选题]This car costs __the other one.
A.as much over
B.as much more as
C.as much to
D.as much as
6[.单选题]If we __ sooner,we might have got there.
C.would have started
【解析】这是一个表示与过去事实相反的假设。这种虚拟形式一般是：从句谓语是过去完成时(had done)，主句谓语是would(should，could，might)+have done。
7[.单选题]She tried hard,__ she was unsuccessful.
8[.单选题]How much would you __ for repairing my radio?
9[.单选题]He talks as if he __ everything.
10[.单选题]The new large passenger jets have made the traffic problems at airports _______.
A.more bad than it was
B.the worse than before
C.worse than ever before
D.more bad than they were
11[.单选题]The harder they worked,____________.
A.they seemed to do less
B.the less they seemed to do
C.they were doing less
D.they did less
12[.单选题]Those are probably the______ curtains in the store.
13[.单选题]---It seems that she is thinking about something.---Yes,she cannot remember what key she ____ to her computer.
14[.单选题]--Where do you think ______ he ______ the computer?---Sorry.I have no idea.
15[.单选题]You look_______you haven’t eaten for a week.
16[.单选题]For a person with reading habits,a printed page contains not only words ______ideas.Thoughts and feelings.
17[.单选题]I was on the point of going to bed ______Mr.Zhang rang.
18[.单选题]Seven years have passed _______I came to America.