—Was it by cutting down staff ________ she saved the firm?—No,it was by improving work efficiency. (2012·上海,37)
Let us not waste ______ time we have left .
Do you consider it any good _____ the truck again ?
We're leaving at six o'clock , and hope _____ most of the journey by lunch time .
It's nearly seven o'clock . Jack _____ be here at any moment .
If you _____ stop smoking , you can only expect to have a bad cough .