英语题Someone _______ in the classroom in the past.Nobody knows

英语题Someone _______ in the classroom in the past.Nobody knows Nobody is in the classroom,_______? Nobody is in the classroom,_____? The classroom is _______(with nobody in )解释句意并说明理由 Perhaps nobody in the factory knows the news. The buses were _______ in the past. Nobody knows ----------------------in the futher 为什么用what hu Nobody knows what （ ）in the future. A.happened B. who _______ in the classroom?Kitty is. nobody but Mr.Smith and John ______ in the classroom there is nobody in the classroom.变为同义句 there is nobody in the classroom 同义句