l don＇ t think this room will be big enough to_____all the guests.

You should learn to take _______of every opportunity to improve your oral English.

She was so _______ with her job that she didn＇t hear someone knocking at the door.

It＇ s high time the government _________ sorry some measures to raise people＇ s awareness of environmental protection.

They had talked only for a few minutes _______they found they were of different opinions.

The children __________ many times not to get closed to the fire.

l suppose you know everything about that event, _______ ?

Not until she arrived at the meeting room _______ she had forgotten to bring the document.

Up went the prices and ____________.

Is there any hope of _______ the gold medal?

He____in the army for ten years, and he retired last year.