公共英语等级考试四级(PETS4)课程辅导(47)讲(3)
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15.A. Even B. Thus C. Hence D. Therefore
16.A. present B. nowadays C. future D. past
17.A. sound B. strange C. profound D. appropriate
18.A. roads B. ways C. methods D. streets
19.A. of B. at C. of D. with
20.A. nothing B. something C. everything D. anything
