题目内容
My father was watching TV the earthquake happened.
A、as soon as B、while C、when
C
解析试题分析：句意：当地震发生的时候,爸爸正在看电视. when 说明从句的动作和主句的动作可以是同时，也可以是先后发生；while 则强调主句的动作在从句动作的发生的过程中或主从句两个动作同时发生。
结合句意，故选C
考点：考查连词的用法
On those foggy days,you could hardly see anything around you it was at noon.
| A．so | B．because |
| C．but | D．though |
—Our head teacher says we should have more sleep these days.
—I don’t agree with his idea __________ he might be right.
| A．if | B．although |
| C．unless | D．because |
----Shall we go to the amusement park this Sunday, mum?
---- Sure, ________ I am busy.
| A．unless | B．if |
| C．but | D．or |
He ran fast nobody could catch him.
| A．such; that | B．too; to |
| C．so; that | D．enough; to |
________ Jeremy was hurt in the match, he didn’t give up and finished in ninth place.
| A．When | B．Although |
| C．Because | D．If |
you practice your English every day, you won’t make any progress on it.
| A．Although | B．If |
| C．Unless | D．Since |
一Let’s start to make dinner!
一Mom , it’s best to read the instructions using the new microwave oven.
| A．before | B．but | C．and | D．or |
Your dream will come true _______ you put your heart and soul into it.
| A．if | B．unless |
| C．although | D．until |