---- What was wrong with you yesterday evening?---- I ____ my homework when the light went off suddenly.
-Mum,may I go out to fly kites? -Sorry.Please don’t go out___________your work is finished.
I always share my happiness with my ___________friends.
He often___________when others are talking.He is impolite.
—You’re very pretty. —______.
There are two blackboards ______the wall and two doors ____the wall.