1. Can I have the key to the front door, please?
    我能带上前门的钥匙吗？

2. (There is a knock at the door.)
    （敲门声）

3. Charles jumped at the sudden knocking at the door.
    查尔斯被突然的敲门声吓得跳了起来。

4. "I used to be afraid to go outside the front door," Mrs. West recalled.
    威斯特太太回忆说：“我当时很害怕出前门，

5. One day she came into his office and happened to put her hands on the door of a locked safe.
    一天，维拉走进父亲的办公室，偶然把手放在一个锁着的保险柜的门上，

6. Open the window and air the room.
    打开窗子，给房间通通风。

7. Open your mouth, Jimmy.
    把嘴张开，吉米。

8. One evening little Hans was sitting near the fire when he heard a loud knock at the door.
    一天夜里，小汉斯正坐在火炉旁取暖，这时他听到有人在大声敲门。

9. Open your books.
    翻开书。

10. On our library door are two big signs:
    图书馆门口有两张布告: