题目内容
2．--Did Jack come back early last night？--Yes．It was not yet eight o'clock __________ he arrived home．（ ）
| A． | before | B． | when | C． | that | D． | until |
分析 -杰克昨晚回来得很早吗？
-是啊，他到家的时候还不到8点．
解答 答案：B；before在…之前；when当…的时候；that那个；until直到；根据答语中的"yes"可知，要表现Jack昨晚早早就回家了，不能用not…until，因为它是指"直到8点才到家"；如果要使用强调句型It was…that…，应在强调的部分not yet eight o'clock前加上介词at才行，故用when引导时间状语从句最合适，译为"还未8点就到家了"．故选B．
点评 比较和分析四个选项的不用含义及其用法是解答该题的关键；还要根据句中信息正确推测该句句意，进而作出解答．
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