He took his umbrella with him lest it ____(rain).

Every boy and girl ___(treat) in the same way.

Robots, ___(become) increasingly prevalent in factories and industrial plants throughout the developed world, are programmed and engineered to perform industrial tasks without human intervention.

One hundred miles ____(be) too far to travel on foot.

I would rather you__ (come) tomorrow.

Although they agree that life is important and should be respected, they feel that the quality of life should not __(ignore).

If you had been in better health, we___ (allow) you to join them in the work.

The theory of black holes in space__ (accept) by many serious scientists and astronomers.

Do not let this __(say) of you. It shows an unattractive indifference to your employer and to your job.