改错：下面每题中有一处错误,请改正并将正确的句子写出来

改错：下面每题中有一处错误,请改正并将正确的句子写出来
They warned us not eat that red fish.Jim is very proud with his model plane.The robber hit Tom on head heavily.

They warned us not 【加 to 】eat that red fish.
Jim is very proud with 【be proud of 以 .为 豪】his model plane.
The robber hit Tom on【的确是加 the】 head heavily.
另外 之前错了一题
9.I know my maths is poor; I wasn't 【sad 】 to see the result this time.

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