You should take off your shoesbefore you ＿＿＿the new flat.

I can’t believe it! I only got a B on my project— That’s not a bad grade— But I_____ on it for weeks[ ]

________all the cities, Yangzhou is __________to live in.

In the end, she decided to sell the house　　　the windows were almost all broken.

The police are________to conclude that the cause of fire had been a cigarette end.