________ can you finish this book — In about an hour.

ur best to help the people when they are introuble, _______you will feel pleased and happy.

I would love _____ to the party last nightbut I had to work extra hours to finish a report.

By the time he got up, I ______ for two hours in thefactory.

I often go ______ school by bus, but I walk ______ home after school.