题目内容

【题目】—Do you know______ the meeting will last?

— ______ the agreement is reached, I suppose.

A.how long; Not untilB.when; Not untilC.how long; UntilD.when; Until

【答案】C

【解析】

句意:——你知道会议会持续多久吗?——我认为直到达成协议为止。

考查宾语从句引导词和until引导的时间状语从句。how long多长(时间/长度);when什么时候;until直到;not until直到……才。分析句子可知,第一处是宾语从句,表示持续的时长,所以用how long;第二处表示“直到”,用于句中引导时间状语从句。故选C

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