i am sure he---- (be) happy soon

i am sure he---- (be) happy soon OK .I am sure he will come He( )know the answer,but I am not sure.may be?must? 连词成句am, will, be, successful, day, some, he, sure, I, very（问句） I am sure he will be glad to see him 家庭作业请快速回顾 I am sure that he will succeed . = I am sure _____ _____ ____. may be,I am not sure还是maybe,I am not sure? He will come tomorrow.I am sure 合成一句 i am sure that he has gone to shenzhen. I am sure David wiU be able to find the library-he hasa good of directionI am sure David wiU be able to find the library-he hasa good of direction.A.idea B.feeling C.experience D.sense I am sure David will be able to find the library-he has a pretty I am not sure who will be the man. I'am sure it will be quiet useful是什么意思 tomorrow will be better ,i am sure中文怎么说 I am sure you will always be together是什么意思? I am sure I am sure that I am sure we I am sure.