I am good at Engilish.的同义句是什么？

"be good at" equal to "do well in",that's all.

中学考出来的肯定是do well in
原来经常考的。
楼上句式错了，
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"be good at" equal to "do well in",that's all.
应该改为：

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"be good at" is equal to "do well in",that's all.

be accomplished in
be adept at
be adept in
be clever at
be good at

均可替换

I am adept in English.

be expert in
be skilled in

I can speak English fluently.