Yesterday evening I was playing the piano _______the doorbell rang.[ ]A. when B. before C. while D.

题目简介

Yesterday evening I was playing the piano _______the doorbell rang.[ ]A. when B. before C. while D.

题目详情

Yesterday evening I was playing the piano _______ the doorbell rang.

[     ]

A. when
B. before
C. while
D. after
题型:单选题难度:中档来源:山东省中考真题

答案

A

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