My students are all quiet.Even after class, my students spend ___as they can playing outside.
You can’t imagine what difficulty I took _____ your home.
.Every time I express an opinion, he always argues ____ me ____ it.
I won’t give you any help ___ you tell me the truth. It’s none of my business.
-- _____? --- He is kind but sometimes a little silly.
Generally speaking, it is about ____ on the mountain than in the valley.