I am sure____ he must go to the library.a:to b:of c:with d:that

I am sure____ he must go to the library.a:to b:of c:with d:that I am not sure____ he will improve _____ this year.A.that;himself B.if ;himself C.that;him D.if:him 为什么呢?哪个时候可以用that I am too fat ,I mus c____ my diet and exercise more now. I hear Tom lives here,but I'm not sure____.A.which room he lives B.which room does he lives 一道英语情景对话题Speaker A:Have you found your book yet?Speaker B:I am not sure____.A.where is it now B.where have I put it C.what I have done with it D.what I did about it我是在选项C 和D之间纠结,答案给的C,用完成时没错, 帮我看看我写的英语作文里有没有语法错误I think I am the best in the world.Li Bai has said:there must be a natural material I use.So i find my advantages hardly.I found that I am good at singing ,When I am free ,I often listen to mus 英语困惑困惑4.I have not found my book yet;in fact ,I am not sure____ I cound have done with it Awhether BwhyCwhat Dwhen 选什么?为什么?如何翻译这个句子 5.“____”for many years ,the writer suddenly became famous Ahaving ignored OK .I am sure he will come i am sure he---- (be) happy soon He think I am good-looking.是什么意思 可以说I am taller than he I am quieter than he is对吗 He sings better than I am改错 Either he or I am wrong. I am you are,she he is 是I am taller than he还是I am taller than him或I am taller than he is? I am as tall as he.I am as tall as he is.哪句对? He is tired .And I am tired,too改为同义句.He is ()()() I am