Bob promises to join in the football match ______ he has to help his parents on the farm.A.ifB.asC.

题目简介

Bob promises to join in the football match ______ he has to help his parents on the farm.A.ifB.asC.

题目详情

Bob promises to join in the football match ______ he has to help his parents on the farm.
A.ifB.asC.unlessD.when
题型:单选题难度:偏易来源:不详

答案

C
考查从句的连接词。句意“鲍勃答应参加足球比赛,除非他不得不要帮爸妈干农活。”A“如果”;B“当;正如”;C“除非”;D“当”。根据句意可知,用unless。故选C。

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