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)25.The four-day May Day holiday can let people have the chance to travel A. alone B abroad C board ()26.-A truck crashed D. lonely the other cars on the aftemoon of April 3. What a pity! It has caused 7 injuries one death A against: with B against; including C on: with ()27.-He's already back to Australia, D on: including He is on a visit to Shangh A. isn't he: Yes B. isnt he: No C. hasn't he. Yes )28. The govemment D. hasn't he: No Chemical factories on March 21 to improve the situation since the explosion of Yancheng A took action B is taking action C. has taken action D takes action )29.-Would you like to fly kites with me, Tom? -I'd low ove to, but my mother isn't at home, I look after my little sist A. must B can ma y D. have to )30. This Physics problem is too difficult. Can you show me George? A. what to work out B. what to work it out C how to work it out D how to work out it )31. Im sorry I can't get on the bus because I A. left my ticket in the office just now B forgot C.