During the entrance exam，there are___________ parents waiting for their children outside the test centre.

There are many trees_____ the library.[ ]

The moonlight(月光)comes in _________the window at night.[ ]

It shocked us all that little boy hadn’t been separated from that patient, he would have been infected with H

Gina , isn’t this book ________?—– Yes , it used to belong to ____, but from now on it isn’t .