Realizing the boy was too poor to pay for the book, the shopkeeper of the bookstore gave him the book _____[ ]

I won’t give in ________ great difficulties I come across in my life.

With a computer and a projector(投影仪), our classroom looks very _________.

What’s outside the room ________ a football and pairs of shoes.

Kate, do you know ___ _ it is from here to the post office— About twenty minutes’ walk.