我国交通法规定,连续驾驶超过()小时未进行休息视为疲劳驾驶。
A.2
B.3
C.4
D.1
参考答案:C
-What's the date today?
-It's November_________ .[ ]
A. 21th
B. 21st
C. 21nd
—Look at the sign!
—Oh, I see.We _______ waste water.
A.can
B.must
C.mustn’t
D.needn’t