问题
选择题
She _____ the teacher carefully, but didn't _____ anything. [ ]
A. listens to, hear
B. listened to, hear
C. hears, listened to
答案
答案：B
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She _____ the teacher carefully, but didn't _____ anything. [ ]
A. listens to, hear
B. listened to, hear
C. hears, listened to
答案：B