I didn’t know _____ you were getting on well with your work.

You will never gain success________ you are fully devoted to your work.

I know this is the latest type but it’s second- handed. $20 — that’s my last offer.—OK.It’sa(n)___________.

____ most of the earth’s surface is covered by water, fresh water is very rare and precious[ ]

He insisted the person referred ______ put intoprison at once.