是否 什么时候 一般将来时 　　Can you guess if they___ to play football with us ? I think they will come if they ____free. 　　A. come , are B. will come , will be C. will come , are D. come , will be 　　Can you tell me when he____here tomorrow ? When he _____ here , please call me . 　　A. comes , comes B. will come , will come C. will come ,comes D. comes, will come 　　5.宾语从句的简化： 　　1).宾语从句是陈述句时，且主、从句的主语一致，可简化为动词+ to do sth. 　　I hope I can meet you again . 　　I hope _____ _____ you again . 　　2).宾语从句是疑问句时，且主、从句的主语一致，或从句的主语与主句的宾语一致。可简化为疑问词+ to do sth. 　　I don't know what I should do next . 　　I don't know ____ ____ _____ next . 　　Could you tell me how I can get there ? 　　Could you tell me ____ ____ _____ there ? 　　John didn't decide which shirt he would buy . 　　John didn't decide _____ ____ _____ _____ . 　　3).hear / see / find + that + 从句 ，可改为hear / see / find + sb (要用宾格) + doing sth.