John is sure that he would be good at English soon.这句话有语法错误吗

John is sure that he would be good at English soon.这句话有语法错误吗 John is quite sure that it won't be long ( ) he is ready for his new job.A.when B.after C.before D.since John __ sure that he ____good at chemistry soon.A be ..will be B is ..would be C was..will be D was ..would be Are you sure that he is all right,doctor. he is sure that he will pass the exam.同义句he is sure ___ ___ the exam. Ben is sure that he will lose his job.改为同义句Ben is sure that ＿＿ his job. He sure is.中的sure用法是什么?He sure does. what is that man A.he is John B.yes.it is a man .C.it is John D.He is a worker He is sure that he will win.(改为同义句） He is sure that he will win the game这个句子对吗? My mother is sure of that he will come.that 是否可省 句子是否正确 he is very glad that his good friend John is still___(live) he is sure ( )his success that‘s is for sure He is sure that he can pass the exam means [ ]A;he is sure to pass the examB;he is sure of passing the examC;it is sure for him to pass the examD;it is sure that he can pass the exam必须有理由 I am sure that what he said is true.是什么从句 It is sure that he will attend the meeting..哪错了?为什么?怎么改? My mother is sure of that he will come.这是什么从句啊