I’m afraid I can’t ________ you, sir. Can you speak more slowly? —Of course.

_______ of us has some bad habits. We must get rid of them.

The familiar English song ______ me of the happy days I spent in the primary school.

Where is my bag? I can’t find it.—Don’t worry. It must bein your room.

As we know, paper is made ________ wood , that is to say wood is made ______ paper.