A good teacher should be strict _______the students ______their study.
— The little girl her seat to the old man on the crowded bus. — What a kind girl!
I know this kind of gruel is _____ millet.
You can borrow this book ___ me, but you shouldn’t lend it ___ others.
---I got an “A” in the math exam. --Oh, it’s a good ____.
---Are you against the plan? ---No, I ___ it.