问题
He went there as a volunteer on a ________ program.
A:two-year
B:two-years
C:two-year’s
D:two years
B:two-years
C:two-year’s
D:two years
正确答案是：
同类题型
It is impossible for____________ little room.
Some researchers believe that there is no doubt ______ a cure for AIDS will be found.
It’s time to say goodbye to my school . I’ll always remember the people ____ have helped me .
That lecture on genetic medicines—I had no idea what he was saying; it’s all Greek to me.