Michael Phelps is ________ active young man from the U.S.A.
A. a B. an C. the
—I hear that Sandy went to Beijing last week.
—Yes. She ____________ the day after tomorrow.
A. will come back
B. comes back
C. came back
下列单词中ai字母组合发音不同的选项是:___________
A. said B. rain C. main
—________ I borrow your math book?
—Sure, here you are.
A. Must B. Should C. May
—My son had a serious toothache.
—You should tell him not to eat ________ candy.
A. too many
B. too much
C. much too