she gets stress out because she isn't ()(improve) her english,填什么?

问题描述:

she gets stress out because she isn't ()(improve) her english,填什么?

improving,因为improve是她本身的动作所以不能用过去分词,又因只能有唯一谓语动词所以不能填improve

she gets stress out because she isn't can be improved her english,

improving
is 是系动词后面不能直接原形可以接动词ing
她很紧张因为她现在仍然没有提高她的英语水平