Bob promises to join in the soccer match ____he has to help his father on the farm.A.if B.unless C.as D.when

分类: 作业答案 • 2023-01-10 05:55:36

问题描述：

Bob promises to join in the soccer match ____he has to help his father on the farm.A.if B.unless C.as D.when
为什么呢?

答

unless 表示除非.整句的意思是,除非Bob必须要去农场帮他父亲,他就会参加足球赛.