It took them about ten days to go _____ the big desert (沙漠).[ ]

John is my _____friend of all the classmates.

Can I tell Peter about the news?—No, I don’t want anyone else to know it. You _______keep it to yourself.

Can you tell us what to do next, Miss White?— Please turn to Page _____ and look at the _____ picture.

Could you tell me when the new park ________________?—Sorry, I am not sure. Maybe next month.