Han Han is one of _______________ teenager writers today, though some old writers don’t like him very much.

Look at the boy running on the ground. Is it Davis?—It ______ be him. I saw him go to the teacher’s office just now.

Did you take part in the sports meeting last week?—Of course I didn’t, don’t you know that it was ______ because of the rain.

There is a teacher’s desk ________ the classroom. [ ]

Don’t worry about the kids. I think they can do it ________.