Question

       of the students in our class      money to the quake-hit areas these days.

1. A.
   Two third; have raised
2. B.
   Two thirds; has raised
3. C.
   Two three; have donated
4. D.
   Two thirds; have donated

Answer 1

D
本题考查的是用基数词+序数词，表示分数，作主语时，要根据of 后接的名词决定，如果是复数形式，相当于复数形式，而of 后接的是不可数名词，就相当于三单形式，故选答案为D