24．—I just heard you had an adventure in the desert．
—We lost our way and ______ made matters worse was that our jeep broke down．

31. A warm thought suddenly came to me _______ I might use the pocket money to buy some flowers for my mother’s birthday.

30. It was quite a few years         the accused was declared innocent and set free.

24. Is it the years ____you worked in the factory____ have a great effect on your literary works?

I feel that one of my main duties _____ a teacher is to help the students to become better learners.

24．America was____________ was first called" India" by Columbus

A．that

B．where

C．what

D．the place

20．These flowers need special care ____ they can live through winter.

19． The matter has reached to a point ____ the two sides will have to go to court.

11． Information has been put forward ____ more measures will be taken to solve the economic problems.

The twin towers fell down. It looked_____ a huge piece of chocolate had been melted down(溶化).