who is in the meeting hall now?

who is in the living room now There is a meeting _______ in the hall behind the teaching b It is a meeting that they will have in the hall tomorrow. Each of them is dancing in the hall now.中is 为什么用is There were about nine hundred people in the meeting hall. 英语语法,1)--Who is singing in the hall?--___is william.___is kn who is in the classroom now同义句 ---who is singing and dancing in the gym now? she is eating in the d___ hall Who is the tiger ( ) now? Who is going to ___at the meeting. The prayer who ____ _____ in the sports meeting is my younge