问题描述：
13.I don't want to go inside the waiting hall ---it's too_______
I prefer________outside though it is king od cold.
A.crowded,being B.early,waiting C.late,to wait D.boring,be
19.Be careful when______________the street
A.crossing B.crossed
20.---Excuse me ,could you please shou we how to use this MP4 player?---_________
A.Sure,with pleasure B.Certainly!It's here C.yes,youcan
D.Not at all
I prefer________outside though it is king od cold.
A.crowded,being B.early,waiting C.late,to wait D.boring,be
19.Be careful when______________the street
A.crossing B.crossed
20.---Excuse me ,could you please shou we how to use this MP4 player?---_________
A.Sure,with pleasure B.Certainly!It's here C.yes,youcan
D.Not at all
问题解答：
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