Tom, I don’t have a soccer ball. Let’s play ______ ping-pong.—OK. I have two ping-pong bats.

You can get the best result ______you carry out the experiment under the desired conditions

By _____ these old students, we hope ____ them good at looking after the younger students.

Our holiday cost a lot of money— That doesn’t matter _____ you enjoyed yourselves[ ]

I would like to read _________ .