Not until Mary reads her composition the second time ___________the spelling mistake.
A.did she notice B.she noticed C.does she notice D.she has noticed
-Look! Someone __________sofa.
-Well,it wasn`t me.I didn`t do it
A.is cleaning B.was cleaning C.has cleaned D.had cleaned
.I was about to get on the bus __________my wife phoned me to back home at once.
A.when B.while C.until D.after
We must do what we can to ____________the river ______________.
A. protect; against polluting B. stop; polluting
C. keep; being polluted D. prevent; from being polluted
Paper produced every year is _______________the world`s production of vehicles.
A.three times the weight B.the three times weight
C.as three times heavy as D.three times as heavier as
根据对话情景和内容，从对话后的选项中选出能填入每一空白处的最佳选项，选项中有两项为多余选项。注意：E涂AB F涂AC G涂AD
— What seems to be the problem?
— 6
— How long have you been like this?
— Since Saturday night.
— ____ 7
— Yes, I also feel lighthearted.
— Can you think of anything you ate Saturday that might have caused it?
— All I can think of is the fish I had. It didn’t taste quite right.
— ____ 8 Now I’ll give you some medicine. Take it and you should be feeling better soon.
— ____ 9
— I also suggest that you follow a special diet.
— ____10
— You should stick to eating lighter foods.
A. What’s that?
B. That might be it.
C. Thank you, doctor.
D. Any other problems?
E. I have a running nose.
F. Have you seen a doctor?
G. I have a terrible stomachache.
