当你邀请别人一块去打乒乓球时,你应说:A.I want to play ping-pong.B.Let’s play ping-pong.C.You can play ping-pong.
—Who is he? —_________.
—Are ____Mary?—No,Im Kitty.
—Is it a desk? —____________.
—_______________ is it? —It’s a rubber.
—An orange,Kitty? —_______