【题目】_____ others more if you want to get along well with them. _____ others also makes you happy.

【题目】--- If I want to be an astronaut, how will I get to be one?

【题目】

【题目】Our playground is not so tidy and beautiful as before. Students must _____ dirty things on it.

【题目】For our safety, we must the traffic rules on the way to school.

【题目】

【题目】I didn’t have _____ to say, so I said _____.

【题目】—What’s your math teacher like? —He is always strict ________us．

【题目】I can't stand Jim. He is always late ________ class.

【题目】