I believe this job is what i am looking for

I believe this job is what i am looking for I believe this job is what i am looking for 请问这句话如果不用what引导 I believe this job is what i am looking for 这句话能改一下 就是不用what I believe this job is what i am looking for 请问这句话错了吗?what可以去 I believe this job is what i am looking for 请问这句话主谓宾怎么区分啊? this is not what i am looking This is the book( ) I am looking for.A.it B./ C.what 单选This is what I am looking for () the heavy box A：open B：op This is the book _____ I am looking for.A.what B.that C.who This is the very person that I am looking for This is the watch for which I am looking 这句错吗 This is what I am