Every teacher is supposed to be honored.
-–I need a pen to write down the address.---A pen? OK, I'll get for you
—I have a meeting to attend. I have to go first.-- It’s raining hard. until it stops or you will get wet.
--- Did you see Mr. Li when you were in France?--- No, when I , he to Canada.
---Dad, must I practice the violin today?---No, you . You do it tomorrow.
--- It’s difficult to get to the other side of the river.--- I think a bridge over the river.