车辆在高速公路上行车,可以频繁地变更车道。
参考答案:错
— Watch!
— I ____ but ____ I ____ anything unusual. [ ]
A. watched; have watched
B. have watched; am not seeing
C. was watching; wasn't seeing
D. am watching; don't see
小说《包法利夫人》的作者是()。
A.司汤达
B.福楼拜
C.席勒
D.雨果