— Shall Mary come to the concert with us?-Not_____she has finished her paper.A.sinceB.onceC.whenD.un

题目简介

— Shall Mary come to the concert with us?-Not_____she has finished her paper.A.sinceB.onceC.whenD.un

题目详情

— Shall Mary come to the concert with us?
-Not_____she has finished her paper.
A.sinceB.onceC.whenD.unless
题型:单选题难度:偏易来源:不详

答案

D
由句意得知,补全句子应该是Mary does not come to the concert with us unless she has finished her paper.

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