There are ________ studentswaiting in the hall, ________

To our disappointment, some governmentleaders ____ their position to get illegal profit for themselves.

The pavements are designed to provide easy access for the blind to _______conveniently, which is bound to_______ active effects on people’s opinion on the government’s performance.

Yesterday I lost my pencilsharpener. I couldn’t find_______.—Oh, it’s a pity. You’d better buy ________this afternoon.

Dad, could you please __________ out this evening I’m afraid. It’s too dark.— OK, I won’t.