Mr. Smith walked_______fast for us _______ catch up with.[ ]

Do you often watch Man and Nature on TV?— Sometimes. It’s an interesting program, but I __________Sports News.

Though my grandmother is old, her voice ______beautiful.

When I walk_____ the classroom, all the students are listening carefully. [ ]

The famouse writer Lin Qingxuan ______to come to our school to give a speech again.