1. Human beings need food, c________ and shelter.
答案：clothing
2. The little boy b________ with great courage in the face of the gunman.
答案：behaved
3. We are all p________ where all his money goes each week.
答案：puzzled
4. Her mother often sends her to the store for some g________.
答案：groceries
5. This a________ method has been introduced in every factory.
答案：advanced
6. Big cities have many ________ (娱乐活动)．
答案：amusements
7. ________ (对……很生气) by what he said, she was very cold to him.
答案：Annoyed
