问题
选择题
I _____ the teacher carefully, but I can't anything. [ ]
A. hear; listen
B. listen to; hear
C. hear to; hear
D. listen; hear
答案
答案：B
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I _____ the teacher carefully, but I can't anything. [ ]
A. hear; listen
B. listen to; hear
C. hear to; hear
D. listen; hear
答案：B