湖南的“母亲河”是()
A.湘江
B.沅江
C.资江
D.澧水
参考答案:A
A mobile phone is never allowed into the classroom during the school time, ______?[ ]
A. hasn't it
B. has it
C. is it
D. isn't it
经典奔腾的处理速度可达到300 【2】 。