.In the rainforest of the Amazon, 50 to 150 plant species _____ every day.
The driver was at ___ loss when ____word came that he was forbidden to drive for speeding.
Young people who have got jobs may realize university lessons can’t be the only preparation for all of the situations ________ appear in the working world.
—We all had a lot of fun at the barbecue yesterday.Pity you weren’t there.—I really should have gone with you but I _____ on some remaining problems.
—I can’t get on well with some of my classmates.They just leave me in the cold. —________ But what’s the reason?
I don’t think that your lecture _______ the audience, for they appeared quite puzzled.