are you sure __ simon will come tomorrow?yes,but i'm not sur

are you sure __ simon will come tomorrow?yes,but i'm not sur i'm m___ you are right,but iam not sure. I'm not sure--------he will come tomorrow.中间为什么不能用whether来连接 这样写对吗:yes,but I'm not sure what time i will get there.求教. M---- he will come,but I'm not sure.A--- her grandmother is 英语翻译well,I'm not sure.yes,students will use computers,but sc ____ (也许)she will come back tonight,but I'm not sure. ---What are you going to do tomorrow?---I’m not sure.I____ m Will it be fine tomorrow?I'm not sure ,____ I'm sure that he will come back tomorrow中的that he will come改 I g____ Mr tan will come to our party but I am not sure. I'm sure he will come tomorrow.的同义句：He is____ ____ ____tomor