Because there weren’t many books, people learned to read.

Whose names are these, ________ or yours? —_______. I don’t know all of the students in Class 5, so I have _______on this piece of paper.

I had hardly got to the office ______ my wife phoned me to go back home at once.

How can I go to the supermarket, Paul?—_____ bike.It’s not far from here. [ ]

Before selecting the curtain for your newly-decorated house，it’s important to know what colors look great _______ the wall paper．