—Hi, Lydia. Are you going to the concert on Friday?—I’d like to. But there are so many problems_______.
If _______ in class, you will have to clean the classroom for a week as a punishment.
He did nothing but ________walk in the street.
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.