[单项选择] Why didn’t you come to my birthday party yesterday? --（）
A. Excuse me，my friend sent me a flower
B. Fine，I never go to birthday parties
C. Well，I don’t like birthday parties
D. Sorry，but my wife had a car accident

[单项选择]Would you like to come to my birthday party next? Oh, thanks a lot.（）
A. Yes, please
B. Yes, I would
C. I'd love to
D. I've no idea

[单项选择]–Do you come here （）? - Yes, I'm a member of the health club. I come twice a week to swim.
A. much
B. many
C. soon

[单项选择]Why are you so late?（）
A. It‘s a shame.
B. I came across an old friend.
C. Never mind.
D. That‘s all right.

[单项选择]Had you come five minutes earlier, you（）the train to Birmingham. But now you missed it.
A. would catch
B. would have caught
C. could catch 
D. should catch

[单项选择]Do you mind my smoking here?（）
A. No, thanks.
B. Yes, I do
C. Yes. I'd rather not
D. Good idea.

[单项选择]I have（）you on my radar.
A. seen
B. sighted
C. watched
D. located

[单项选择]Why should you wear a self-contained breathing apparatus before entering the engine room after the fixed CO₂ system has been discharged to combat a major fire?（）
A. Because carbon dioxide dilutes the oxygen concentration in the atmosphere and may cause asphyxiation
B. Because carbon dioxide breaks down in a fire into carbon monoxide which may cause blood poisoning in the person breathing this gas
C. Because carbon dioxide is a colorless and odorless gas that becomes highly toxic in the presence of high temperatures and will quickly incapacitate a person exposed to this gas
D. This action is unnecessary as carbon dioxide is not poisonous nor toxic but is a relatively harmless gas

[单项选择]I can not（）you on my radar.
A. locate
B. look for
C. watch
D. look out

[单项选择]Why would you make a non-backbone area a stub or not-so-stubby area?（）
A. to aggregate routes learned from the ABR
B. to lower the cost of routes advertised by the ABR
C. to connect a non-contiguous area to the backbone
D. to decrease the size of the link-state database in that area

[单项选择]（）behalf of my owners, I give you my formal notice.
A. At
B. On
C. Of
D. In

[单项选择]（）behalf of my owners，I hereby give you my formal notice.
A. At
B. On
C. Of
D. In

[单项选择]You（）my fishing gear.
A. has cached
B. have cached
C. has caught
D. have caught

[单项选择]Come and see me if you have time.（）
A. I can't.  
B. I'll think it over.
C. Thank you.
D. I will.

[单项选择]I’ve come to ask him for the book. That’s why I （） wait until he comes back.
A. need
B. should
C. oughtto
D. have   to

[单项选择]If liquid freon should come in with your skin, you should （）
A. wash with salt water
B. wash with sterile mineral oil
C. treat it like frostbite
D. treat it like any burn

[单项选择]Could you come（）to the development workshop for a second?
A. up
B. on
C. down
D. over