22. I _________ that she will come and join us.

      A. expect                                B. except                                   C. exchange

23. The lights __________ went off before we took out the candles.

      A. immediately                        B. finally                                    C. suddenly

24. The company has sent _____________ of food to the disaster area.

      A. a large number of               B. a large amount of                   C. large quantity of