I need more physical and mental strength. Could you give me some ______?

Miss Zhang, I can’t find my pen. — If you can’t find _____, you can borrow _____ from your classmate

Nobody is perfect, but everyone is different ______ others. [ ]

I don’t think it very expensive to buy a family computer here.—Really? I’ll buy _____ next week.

_________ the end of this year, they will have learned l,000 English words.[ ]