I am very worried about tomorrow’s chemistry test. I’ m afraid I can’t pass this time.— ! I’m sure you’ll make it.

During his stay in the USA, Yao Ming returned to China______he was needed.

Many experts stick to the view _____teacher development is _____ the key to quality education lies.

” is regarded by many people as a time in theirlife _____ fun, passion, and imagination seem limitless.

As we all know, one unfortunate outcome of Internet use is that it damages people’s ability _______ normal lives.