He will, no doubt, be recommended as this Year’s Excellent Officer because he is clever, easy-going and ___________ hardworking.

you ever been to the Summer Palace— I can’t quite remember. _______, it might have been during my childhood.

The helicopter soon arrived at the scene of the accident to _______ the survivors.

The black-mailers intended tomore money the poor man.[ ]

As is often pointed out, knowledge is a two-edged weapon which can be used_____________for good or evil