He isn't good at maths.I think.合并成一句话I_____ ______He ______ good at maths.

问题描述:

He isn't good at maths.I think.合并成一句话
I_____ ______He ______ good at maths.

I don't think he is good at maths.
祝你进步

I don't think he is good at maths.
注意not否定要提前