Exert all your powers,i'm sure that u will succeed someday

Exert all your powers,i'm sure that u will succeed someday I`m sure that you will succeed i am sure that i will succeed. 求高手帮看一下这句话有没有错误：I'am sure that someday your english will be I am sure that he will succeed . = I am sure _____ _____ ___ I’m sure that your letter will get attention.They know you’r 11.I’m sure that your letter will get _____ attention .They ...I’m sure that your letter will get -- attention拜托了各位 I'm sure he will never give up until he succeed I'm not sure if you will succeed in the exam.的句子成分 If you study harder,I'm sure you will succeed in ____(pass)y 反意疑问句I'm sure that you'll succeed,____?为什么填won't you