题目内容
Bobby didn’t have dinner ___he finished designing the plans.
| A．while | B．if |
| C．until | D．since |
C
解析试题分析：句意：波比知道完成计划才吃晚饭。A. while 当……的时候；B. if 如果；C. until 直到…… D. since自从。not…until直到……才。结合句意，故选C
考点：考查连词的用法
I really enjoyed your lecture, ______ there were some parts I didn’t quite understand.
| A．because | B．unless | C．though | D．after |
— Do you know everyone at the party?
— Almost, but I don’t know the one you talked with at the door.
| A．what | B．whose |
| C．who | D．which |
--Now most teenagers write to each other not by letter ________online.
--Yes, the Internet has become a part of their life.
| A．or | B．and |
| C．but | D．so |
_______ you have seen the film for three times, you must know something about the hero.
| A．Although | B．Since |
| C．Unless | D．When |
I told Tony the exciting news__________ he came back home last night.
| A．so that | B．as soon as |
| C．however | D．until |
Be careful, ________ you will make few mistakes.
| A．so | B．and | C．or | D．but |
The children were worried about their mother. They didn’t go to bed ___ their mother came back..
| A．when | B．while | C．until | D．after |
_____ I was in the USA, I made a lot of friends there.
| A．While | B．Although |
| C．Unless | D．Until |