it is friday aftenoon . we are cleaning the classroom. mike and jack are sweeping the floor . three girls are cleaning the desks and chairs . my chinese teacher is mopping the floor . l'm cleaning the biackboard . jam andbiackboard . jam and ann are cleaning the doors ang the windows.
How many girls are cleaning the desks and chairs?
What are you doing?
Who is mopping the floor?
Are the girla sweeping the floor?
后面的4道题有答案吗?
追答There girls .
l'm cleaning the biackboard .
My chinese teacher .
No,they aren't.