中国中央电视台的缩略形式是_________。A.SDTV B.UFO C.CCTV
—What are those? —are books.
His parents __________ everything good that he does. A. take pride in B. be proud of C. deal with
People should not cross the street ______ the traffic lights turned green. A. when B. until C. after
---Did he ______ wear glasses? --- No, he _________. A. used to; isn’t B. use to; didn’t C. use to, wasn’t
I used to be afraid of ________ a speech in public. A. giving B. to give C. give