Even now I feel comfortable in the dorm because there are friendly people around to talk with.
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()时期,南北民族融合是沿丝绸之路的东段进行。
A. 乌孙
B. 鲜卑
C. 匈奴
D. 月氏
581年时,外戚杨坚取代北周,建立了隋朝。
A. 对
B. 错
We can visit you on Saturday or Sunday. Our plans are fairly _____.
A. flexible
B. possible
C. impossible
D. personal
Modern music may have a _____ influence, as well as a positive (积极的) one on teenagers.
A. good
B. poor
C. nice
D. negative