问题
Steve and Jane are both very good ___ chemistry
A:at
B:for
C:in
D:on
B:for
C:in
D:on
正确答案是：
同类题型
I never thought of it before, _______ all that my parents had done for me for granted.
She couldn’t wait ________ home after such a long and tiring journey.[ ]
Please check the list carefully ________________ make mistakes.
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