Peter and I _________ classmates.

You’ve failed to do what you ______ to and I’m afraid the teacher will blame you

The weather is very good. Let’s have a picnic. —.

Lisa was still very weak when she left hospital. But after a week’s rest, she felt much and went back to school.

Because of H7N9 bird flu，all the chicken markets in Shanghai have been closed and won’t open until further________