当你不认识某物时,你应用英语向别人问 A. What’s this ? B. What this is ? C. This is what ?
It’s________outside;please take off your coat.
—Sam,come downstairs,please.I need your help. —Sorry,Mum.I________on the phone.
My mother________in the kitchen now.
Listen!Someone________an English song now.
________weather we have today!