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共 4 頁(yè) , buses and bikes stop when the traffic lights change to red. 8.—May I go out now. Dad?—No. You let your mother know first. 9.—Have you decided where to do for your summer vacation ?—Not yet. We go to Qingdao. It is a good place for vacation. room is big enough. It hold 100 people. be to 11.—Dad,