Don’t listen music in the classroom hallways. A. to; and B. to; or C. at; or
This morning I have art lesson, art is easy subject..
My parents ask me _______ in order to make me healthy.
—May I use your dictionary, Lily? —Sure, _______.
Sugar tastes sweet. But, _______, it’s bad to eat too much.
You had better ask your brother _______ playing computer games. It’s bad for him.