How long has your brother been working in this factory? —_____he dropped from school in 2010

We__________dinner at seven o’clock when CCTV__________to broadcast news.

Is he your father —No， he is my _______，my mother’s brother.

The farmers were sure that fresh water lay ____ in the earth, so they dug ____ to find it

The man said that he was ____ to buy this expensive house.