I need one more stamp before my collection ______.A.had completed B.completesC.has been completedD.

题目简介

I need one more stamp before my collection ______.A.had completed B.completesC.has been completedD.

题目详情

I need one more stamp before my collection ______.
A.had completed  B.completes
C.has been completedD.is completed
题型:单选题难度:偏易来源:不详

答案

D
主句是将来时态(包括含有情态动词),时间或条件状语从句中用现在时态。

更多内容推荐