I ________the day before yesterday, I’ve _________for 2days.

I’m expecting a digital camera for long, but dad has no time to buy ______ for me.

The Internet is really ______ to us. We can easily find the information we need.

Do you know if he _______ to play basketball with us?–I think he’ll come if he __________ free tomorrow. [ ]

In our school library, there a number of books on science and the number of the books growing larger and larger.