have no doubt后加do还是to do还是doing?
问题描述：
have no doubt后加do还是to do还是doing?
答
【A.】sb. have no doubt to dosb. have no doubt that 从句sb. have no doubt about sth.sb. have no doubt as to sth.例如：I have no doubt about his success.=I have no doubt that he will succeed.我对他的成...