The couple will be away for a while and they need someone the baby.( )
A.look afterB.looking after
C.looked afterD.to look after
—Mum, may I draw some flowers on the wall? —Oh, no, dear, you _______. Why not draw your beautiful flowers on the paper?
—I saw Mr. Wang at school just now. --You ____________ make a mistake. He has gone to Shanghai and won’t get back until next Monday.
This book ___ be yours. Look! Here is your name.
– Listen ! Is Professor Johnson giving a report in the hall? – No, it _______ be him. He has gone to America.
You ________ cross the road when the traffic lights are red.