Please give this book _________ Lin Li. It’s his.[ ]

Is Lisa a boy’s name or a girl’s name?—______________.

There are months in a year. month is December.

Only when _____ possible to settle the problem how to get the machine repaired.

This is _____ third year that China has taken part in the activity Earth Hour. But we hope we can try our best to make the earth ____better world.