I feel that one of my main duties _____ a teacher is to help the students to become better learners.
You can go out,you promise to be back before 10 o’clock.
I hope that my father will quit smoking because I want him to livemy grandpa does.
-It’s my treat today. Is there any particular meal you would like to have? -you choose is all right with me.
Since I don’t like surfing the Internet, shall I go to the library insteadthe information we need?
Didn’tever occur to you what the source of this saying I just quoted is?