题目内容
He made a mistake, but then he took action to change the situation ________ it got worse.
| A．until | B．when | C．before | D．because |
C
解析试题分析：句意：他犯了一个错误，但是他接着采取了措施在情况恶化之前改变了这种状况。before意为“在……之前”，即在形势恶化之前采取措施；故选C。
考点：考查连词的用法。
— is your great sale ?
— Next week .
| A．When | B．What | C．How | D．Where |
“Would you like to come to dinner tonight?” “I’d love to, ___I’m busy.”
| A．and | B．so | C．but | D．as |
Eddie was sleeping ______ Millie was watching TV.
| A．while | B．as | C．when | D．after |
Yesterday morning I was just leaving_______ the telephone rang.
| A．when | B．while | C．because | D．since |
—How are you going to spend this weekend?
—_________ the weather is fine, we’ll climb Mount Tai.
| A．As well as | B．As good as | C．As soon as | D．As long as |
He realized his mistakes and took action to reduce the loss _________ it was too late.
| A．until | B．when | C．before | D．as |
—______ does your mother go for a walk？ —Every afternoon.
| A．How long | B．How often | C．How much | D．How many |
— What’s your new math teacher like?
— Oh, he is very kind, ________ he looks serious.
| A．though | B．because | C．if | D．and |