摘要： I like her coat and she liked mine, so we . A. communicated B. swapped C. returned D. sold 30. As I ran up the stairs, my foot and I fell. A. jumped B. slipped C. ran D. rushed 31 Would you like to give a performance at our school art festival next month? A. being held B. to hold C. to be holding D. to be held 32 The flu is believed by viruses that like to reproduce in the cells inside the human nose and throat. A. causing B. being caused C. to be caused D. to have caused 33 matters most in learning English is enough practice. A . what B . why C . how D. Which

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