I.根据汉语提示填空(每小题1分，共10分)
1. A parrot can sometimes make you _____________ (尴尬的).
2. He got his _____________ (毕业证) with great effort.
3. Modern _____________ (技术)is used to help solve energy problems.
4. She is very _____________ （热情的）about helping her classmates.
