单项选择题
A.to receive B.receiving C.received D.receive
I am proceeding at a slackened speed. Here SLACKENED st...
单项选择题I am proceeding at a slackened speed. Here SLACKENED stands for（）.
A.reduced B.increased C.normal D.half
I am proceeding（）reduced speed.A.atB.withC.onD.within
单项选择题I am proceeding（）reduced speed.
A.at B.with C.on D.within
Get everything ready（）sailing.A.onB.ahead ofC.prior toD...
单项选择题Get everything ready（）sailing.
A.on B.ahead of C.prior to D.in front of
