The paper is due next month, and I am working seven days ______ week, often long into______night.

S. government on Wednesday _______ formerCommerce Secretary Gary Locke as ambassador to China, making him the first Chinese-Americanever to take the post.

In the past I often wrote _____ my parents about my study at school, but now I e-mail them ____ rita@sunshinetown.com.cn or call them ______ 5551 6789 .

None of us _____ running, but we all like swimming.

What’s wrong with the boy——He is a(an) ________boy. He can’t run fast.