问题
选择题
Though the teacher had explained it three times, many students still felt ____. It was so difficult a
physics problem.
[ ]
A. amused
B. excited
C. frightened
D. confused
答案
答案：D
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Though the teacher had explained it three times, many students still felt ____. It was so difficult a
physics problem.
[ ]
A. amused
B. excited
C. frightened
D. confused
答案：D