I save ______ dollars on gas, insurance and repairs.
A. two hundreds
B. hundreds of
C. two hundred of
D. hundred of
查看答案
水泥混凝土路面面层施工,每天摊铺结束或中断时间超过( )min时,应设置横向施工缝。
They _____ too much pollution.
A. give
B. get
C. promote
D. produce
水泥混凝土路面面层横向施工缝在缩缝处采用平缝加( )。
I would find ______ difficult to stop using my car.
A. one
B. that
C. it
D. this