Don’t forget _____ the door when you leave.
There is _________ with your son’s ears. So don’t worry about him.
---David, why are you so excited? ---My father has made a ______that he will take me to Tibet next month..
---How long have you lived in the new flat? ---__________ 2010.
---Let’s go fishing if it ________this weekend. ---But nobody knows if it ___________.
---Tom has ______ a good way to deal with his old books. He plans to donate them to poor children. ---Really? That’s great.