There are only two apples here. Where are

The library along with bookstores ________ reading materialsIt’s open from 9?00 amto 4:00pmon weekdays[ ]

We wonder ___________ quite a number of living things are dying out.

Our English teacher is forEngland _______ July 29th.

I ______have come here in time, but I met an old friend of mine. I stopped and talked with him for some time.