—Peter, let’s check what we still have left.—Well, _____ is no use evaluating the total loss before the typhoon leaves.
– Who did you see playing in/on the playground? – ________
– How many students did you see playing in/on the playground? – ________
Of the most popular films in China this year, ________ was produced in this city
To keep our world a clean tidy home, we must not throw wastes ________
– One week’s time has been wasted – I can’t believe we did all the work for ________