---Is that __________pencil-box ? --- No, it’s _________,
—Our country is becoming richer and stronger. —_______. A. So it is B. So is it C. It is so
He has no money to buy a house, so he wants ______ one ______ his friends.
Our English teacher is_______ the classroom.She is writing on the blackboard.
_________ boys are there in our class?
There _____ a pen, two pencils on the desk.