My brother has been teaching ________ he was 21 years old.
—Yummy! The coffee is good.—That’s right .It will taste ________with some milk.
—Please keep the window _____, Jack ! It’s so hot!—Ok! And may the door be ______ now?
—What would you do _____ you had millions of money?—I am not sure _____ what you said is just my dream!
—Please spend much time ____your school work, ___ your parents will be annoyed.—OK. I’ll do it as you say!
—When does our class meeting begin?—Oh, it’s been _____ because of the sports meeting.