从II栏中选出与I栏句中相对应的答语。

        I                                    II

⑴When is the Earth Day？                 A. The library.

⑵Could he write ten years ago?             B. Some presents.

⑶Where did he go just now?                C. It's on 22nd April.

⑷What are you going to buy at Christmas?     D. No, he couldn't.