21. Ted, there’s a boy at front door who says he has news for you.
A. the; / B. the; the C. / ; the D. / ; /
22. He all the “ No Smoking” signs and began to smoke.
A. noticed B. read C. ignored D. saw
23. get a better score, she has been studying hard all day.
A. So as to B. In order to C. So that D. In order that
