37.Students with financial problems are troubled by high tuition.

23.Only when we came back homethat my watch was missing.

22.sat downthe phone rang.

21.—I don＇t drink coffee at all.

20.So loudlythat all the people in the room got a fright.

19.Nevera greater day in the history of mankind.

18.that the trade between the two countries reached its highest point.

17.It was in the factoryyou worked five years agoyou learned the technique.

16.Why is itthe more connected we get, the more disconnected I feel?

15.California relies heavily on the income from fruit crops, .

14.John has never been to New York. .