All the volunteers were very tired, but of them took a rest.—They were busy looking for the missing people.

The teacher highly recommended that I ___________ more to improve my English.

What he said at the meeting means _______ those who had cut down the forests.

brother was brave enough to tell the truth in public.—Yes, and he will never regret_________ that. I admire him so much.

How could I thank you enough? —Don’t mention it. Any other man_________ that.