Many students signed up for the race in the sports meeting to be held next week.
I ____ to go for a walk, but someone called and I couldn’t get away.
—The research on the new bird flu virus vaccine is challenging and demanding. Who do you think can do the job?—____ my students have a try?
He is only too ready to help others, seldom, ____, refusing them when they turn to him.
—Look, it ____ again.—Yeah. This is the third snow we ____ this spring.
All attention on the beautiful girl, the boy didn’t notice the teacher enter the classroom.