你想知道盒子里装的是什么,你会问:________A.Who's that? B.Who's this? C.What's in the box?
The children ___ on an outing. A.is B.am C.are
---What are you doing? ---I am ____. A.draw B.draws C.drawing
---What are ____? ---They’re birds. A.tha B.this C.these
I ____ like rice. A.don’t B.isn’t C.doesn’t
There____ five dots. A. are B.is C.am