It has been ten years_____ her cousin joined the army. [ ]A. before B. until C. when D. since

_____ you have made a promise, you should carry it out.[ ]A. OnceB. UntilC. For D. While

Elizabeth could not refuse, ______she foresaw little pleasure in the visit.[ ]A. sinceB. forC. thoughD. when

It was half a year ______ my good friend returned to his hometown.[ ] A. before B. sinceC. thatD. when

They had no sooner arrived at the airport ________ it was time to check in.[ ]A. whenB. beforeC. thanD. though

—Why didn’t you tell him the meeting?—He rushed out of the room____I could say a word.[ ]A. beforeB. until C. whenD. after

短文改错 If someone asks you how you can make you always happy, you will perhaps find rather difficult to give him a proper answer. Do you remember the old saying "No human being can really be happy which is not giving or tryinggive happiness to others?&

—________you like that latest type of car so much,why not buy it?—Well,I can't afford so expensive a car.It is worth 200,000 yuan.[ ]A. As ifB. Even ifC. Now thatD. In case

—How long is it _____ we last met?—About five years. You haven't changed much.[ ]A. beforeB. sinceC. whenD. that

Good friends __________ we are, I still find her difficult to understand at times.[ ]A. as B. becauseC. thoughD. unless

—You seem to have had that car for years.—Yes, I should sell it ________ it breaks down.[ ]A. whileB. afterC. untilD. before

________you know how to manage your time,you can try to work and look after the children well meanwhile.[ ]A. If onlyB. Even thoughC. As soon asD. Now that

_____ the Internet is of great help, I don't think it's a good idea to spend too much time on it.[ ]A. IfB. WhileC. BecauseD. As

You cannot expect her to do the housework_____ look after the children.[ ]A. just as well B. as wellC. as well asD. besides

________ you might be right, I can't completely agree.[ ]A. AsB. While C. If D. Since

Rivera Street is dark ________ the light from 14yearold Lona Zhao's upstairs bedroom.[ ]A. instead ofB. in spite ofC. except forD. but for

— You told Holmes about what happened in the train?— No,I didn't. He had rushed off towards the station________I could say anything more.[ ]A. before B. untilC. when D. as

________ they decide which college to go to, students should research the admission procedures.[ ]A. AsB. WhileC. UntilD. Once

Once ________ in the forest, you ought to remain ________ you are waiting for help. [ ]A.losing; where B. losing; there C. lost; thereD. lost; where

You can arrive in Beijing earlier for the meeting, __ you don't mind taking the night train.[ ]A. providedB. unless C. thoughD. until

—________you like that latest type of car so much, why not buy it?—Well, I can't afford so expensive a car.It is worth 200,000 yuan.[ ]A. As ifB. Even ifC. Now thatD. In case

________ I can see, there is only one possible way to keep away from the danger.[ ]A. As long asB. As far asC. Just asD. Even if

._______ there is going to be a policy change ________ of those things is going to change. [ ]A. Unless; fewB. Until; fewC. Unless; noneD. Until; none

— Do you know anything about that man?—No. I know nothing about him _______ I read in the newspaper yesterday.[ ]A. besides B. except whatC. except forD. except when

短文改错 Recently, my classmates have had a heated discussion about if we should have optional courses(选修课) in high schools. Some students werein favor of optional courses. They say interest is bestteacher andour spare time will be colorful and meaningful. St