John fell asleep he was listening to the CD. A．afterB．whileC．beforeD．if——青夏教育精英家教网——

题目内容

John fell asleep _______ he was listening to the CD.

A．after
B．while
C．before
D．if

试题答案

B

相关题目

John fell asleep _______ he was listening to the CD.

A．after
B．while
C．before
D．if

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