汽车最大驱动力和地面制动力应()附着力。
A.小于或等于
B.大于和等于
C.小于
D.大于
参考答案:A
______ I have a quick word with you? Something important has happened.
A.Must
B.Could
C.Would
D.Should
一般红葡萄酒倒()成。
A.三
B.五
C.六
D.七