Is your Uncle Tom a soldier—No, but he once _______ in the army for 4 years.

Excuse me, where is Children’s Park, please—Take the No. 5 bus and _____________ at the fifth bus stop.

Helen doesn’t know how much I spent in repairing the house. If she ever found out, I’ m sure she _____ me.[ ]

Can you tell me ____

The desk that ________ clean so I could do homework was always surrounded with bowls of bad milk，old magazines and so on．