____ you _____ to go to the park when you were children? A. Did, use B. Did, used C. Do, used
---____ will he be back? ---In a week.
---Did you hear the rain? ---______ .
Jack ______ be in the library. He is playing football on the playground.
_________ interesting information it is!
---Where is your mother? ---She _______ the supermarket to buy some food.