摘要： Maria has to baby-sit．That’s＿＿＿ she can’t come out with us． A. why B. how C. when D. what 19. People often want to know what my job is．Often I＿＿＿ that question． A. ask B. am asking C. get asked D. get asking 20. Jim talked for about half an hour yesterday. Never him talk so much. A.I heard B. did I hear C.I had heard D. had I heard 21. -Did you visit the famous museum? -No. We it, but we spent too much time shopping. A. could have visited B. must have visited C. can’t have visited D. shouldn’t have visited 22.We didn’t plan to meet. We met in the street. A. by the way B. by chance C. on purpose D. in surprise 23.The motorcycle competition in the desert, lasted ten days, is over now. A. it B. where C. which D. that 24.---I heard Back Street Boys will sing at the New Theater. ---Where did you ? A. pick that up B. put that up C. make that up D. take that up 25.-This bag is perfect. Miss, how much does it cost? - , but I don’t work here. A.I don’t know B. I’m sorry C. Maybe very dear D. You can’t afford it

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