We students are supposed to know how we should ourselves to surewe are in the proper mental state.
The temperature in this mountainous area ___ from day to day.
Looking out of the window of my room, ___ a tall tree in the yard.
---Of ____ two bags, which one do you think is better? --- _______ smaller one. I prefer how it looks.
She owns a lot of books, most of _____ are written in English.
I don’t like_______ when I am talking with my friends someone cuts in.