This is a nice city ______ many interesting places. [ ]

The harder the workers work, _____.[ ]

This machine was used ——-years ago.

There’s only ten minutes to go. We can’t wait any more—- ______, we should start at once.

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.