If you have a toothache, you should ______. A. go to see a nurse B. go to see a dentist C. lie down and rest
—Who taught _______ Japanese? —I learned it by _______.
—You’d better not read _______. It’s bad for your eyes. —You’re right. I won’t do that again.
_______ necessary for us _______ English well.
—I am afraid we will miss the early bus. —Don’t worry. We have _______ time to do it.
—May I use your dictionary, Lily? —Sure, _______.