1. Building such a bridge is not an easy job; we must have enough ________ (专业的) engineers.
2. My sister is an e________ for a local newspaper.
3. When did the company last ________ (更新) its website?
4. You can solve the problem according to your p________ experience.
5. Taking pills is easy. Just put them in your mouth and s________ them.
6. She is o________ about her chances of winning a gold medal.
7. Last month his trip to India made a strong _________ (印象) on him.
8. Everyone likes to work in pleasant _________ (环境).
9. I keep my reference books near my desk for c_________.
10. Though he ________ (缺乏) in experience he makes up for it in enthusiasm.