问题
选择题
Steve and Jane are both very good ___ chemistry.
A．at
B．for
C．in
D．on
答案
答案：A
be good at是固定搭配,意为:擅长于
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Steve and Jane are both very good ___ chemistry.
A．at
B．for
C．in
D．on
答案：A
be good at是固定搭配,意为:擅长于