She _____ the teacher carefully, but didn't_____anything.[ ]A. listens to, hearB. listened to,

题目简介

She _____ the teacher carefully, but didn't_____anything.[ ]A. listens to, hearB. listened to,

题目详情

She _____ the teacher carefully, but didn't _____ anything.            
[     ]
A. listens to, hear      
B. listened to, hear            
C. hears, listened to
题型:单选题难度:中档来源:同步题

答案

B

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