选择适当的单词填空。 1. The_____(direct, direction) of wind is always changing in my hometown. 2. It is_____(simply, simple) a phone number. 3. It’s midnight and everything is_____(sleep, sleepy) and quiet. 4. He is a great_____(poet, poem, poetry) in ancient China. 5. His_____(interrupt, interruption) stopped our meeting. 6. The_____(expect, unexpected) knock on the door surprised every one.