I don’t know what kind of pet __________.
—Would you mind my _______ here?—Sorry, you’d better not.A. smoke B. to smoke C. smoking
There is no important information in the newspaper, _______?A. isn’t there B. is there C. is it
—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.