Beethoven was walking in the street _______ he heard someone ________ his music. [ ]A. before, play

题目简介

Beethoven was walking in the street _______ he heard someone ________ his music. [ ]A. before, play

题目详情

Beethoven was walking in the street _______ he heard someone ________ his music.
[     ]
A. before, play
B. after, playing
C. when, playing
D. while, to play
题型:单选题难度:中档来源:吉林省期中题

答案

C

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