－Mom, where’s my backpack?－You shouldn’t put your things casually, you should take good care of _____ own things. 

I don’t want to make friends with those people ______ think of themselves first when in trouble.

--- Have you seen a dictionary?--- There’s one on the teacher’s desk. Is it _____?

--- Which of the following words has the same sound as the “ed” in the word “danced”?--- Let me see. That’s           .

_________ are both studying at Nantong Middle school.