题目内容
He was about to leave the office for home _______someone knocked the door and asked for some help.
| A．until | B．while | C．as | D．when |
D
解析试题分析:句意：他正要离开办公室回家这时有人敲门求助。固定句型：be about to do …..when 正要做某事……这时，选D。
考点：考查连词用法。
一本好题口算题卡系列答案______ I met him, I always think of the thing that happened between us.
| A．Every time | B．The moment | C．Suddenly | D．While |
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| A．since | B．until |
| C．because | D．unless |
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| A．because | B．unless | C．when | D．though |
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| A．until | B．before | C．as | D．unless |
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| A．Who | B．It |
| C．As | D．What |
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| A．how | B．which | C．that | D．what |
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| A．before | B．whether | C．once | D．while |