- They went on working _______ it was very late.[ ]A. thanB. ifC. thoughD. because
- — Tom, there is going to be a World Cup football match tonight.— Thank you for the news. But I won't watch TV ______ ...
- Susan was late ______ she missed the bus.[ ]A. becauseB. untilC. whenD. if
- I hope to go to France some day _______ there are many famous art museums.[ ]A. whenB. ifC. becauseD. whose
- Scientists say it still needs five or six years _____ it is possible for human patients to take this medicine.[ ]A. s...
- —It's a long story, but there are not any new words in it.—Good! _______ it will be hard for children.[ ]A. SoB. OrC....
- I haven't heard from Bill _____ he left here.[ ]A. whenB. beforeC. sinceD. while
- Mr Smith usually reads a newspaper _____ he's waiting for the bus.[ ]A. ifB. thenC. becauseD. while
- —Please wait here . I'll come back soon.—All right. We'll stay at the library ______ you come back.[ ]A. untilB. forC...
- Someone called me at midnight, but he hung up _____ I could answer it.[ ]A. asB. sinceC. afterD. before
- _______ I have a lot of housework to do, I still finish my homework on time.[ ]A. UnlessB. IfC. AlthoughD. So that
- He met many problems ______ he was going over his lessons.[ ]A. beforeB. as soon asC. sinceD. while
- ______ it rained heavily, they arrived at Shanghai Grand Theatre in time.[ ]A. ButB. ThoughC. BecauseD. If
- _______ you have been to America for many times, you must know something about this country.[ ]A. SinceB. AlthoughC. ...
- Miss Wang asked me ________ I was busy with the test those days.[ ]A. thatB. ifC. whenD. what