Thanks to the measures ______ by the local government , the polluted river is becoming clearer and clearer and fish have begun to show up in it.
The murderer was brought in, with his hands _______ behind him.
The first edition ________ in 1955 and ________ a best seller ever since.
The boy is often found _____in reading books.
We don’t know if she _____ home. If she ____, I’ll tell you.
It’s required that the students___ mobile phones in their school, so seldom ____ them using one.