You look so happy, Linda.—Yes, Sandy. I have______ to tell you.

There are too many students asking teachers to help in the teachers’ office, but this room is ____ small ____ hold them.

A number of birdwatchers ______in Zhalong Nature Reserve. The number of them____500.

Last night he had a bed to sleep _____, but I had only a chair to sit _____.[ ]

I’m very glad I have my own room in my house. I ______ do what I want in it.