Who is dancing over there? Mary _____________.[ ]
A. can
B. is
C. does
答案:B
We ___________ when the teacher came in.
A.were talking
B.talked
C.talk
D.are talking
关于自动档轿车的使用下列说法错误的是()
A.自动变速器轿车抛锚时不可以推车起动
B.自动档轿车可以熄火滑行
C.在山区行驶时,下长坡时必须挂低档才能利用发动机制动功能
D.驾驶自动档轿车转弯时,可在出弯道时提前加速