Yesterday，my father bought me a new mobile phone as a present，but I don’t know how to use it. —Why not read the ________ first before using it

There is a big dog _______to a fence outside the house.

media can’t learn to respect and appreciate others’ cultures, there will exist _____ misunderstanding and harmony can’t be achieved.

It was three o’clock _______ he cameback from work.

I’d like _____ these books ______ the classroom.—Let me help you.