We didn’t go into the house because the sign said“________”．

Whatever is left over may be put into the refrigerator，________ it will keep for two or three weeks.(2011·安徽)

________ at the cafeteria before, Tina didn’t want to eat there again.

There is a big ________in the town. We can buy different kinds of things in it.

Do you know _______ they got to know each other?—It was last year_______ they both taught Chinese in Scotland.