请教一个单句改错:The policeman caught the thief by his arm.4.The policeman caught the thief by his arm.

问题描述:

请教一个单句改错:The policeman caught the thief by his arm.
4.The policeman caught the thief by his arm.

把his搞为the就可以了
动词catch,hit,punch之类的都用这个句型
catch sb. by the