21. The incomes of male workers went up by almost 80%.         , part-time women workers saw their earnings fall.

A. Meanwhile        B. Therefore            C. Moreover         D. Otherwise

22. Mary is easy to recognize as she is the only one of the women who          an evening dress.

A. wear                  B. wears                C. had worn        D. have worn

23. The students who are most successful are usually          who come to all the classes.

A. one               B. ones            C. the one          D. the ones

24.          is widely acknowledged,          there is life, there is hope.

A. It; where        B. As; whether          C. As; where        D. It; whether

25. In English, if there is a situation          seems bad but in fact has some advantages to it, we say “Every cloud has a silver lining.”

A. where                 B. which            C. what             D. whose