四題文法問題~~急*

fairybubble

想請問四題文法的問題
如果可以的話，麻煩順便跟我說為什麼選這個答案

選對的
1.  Like other women _____ in the field of medicine, Sara Mayo found the beginning years difficult.
     (A) they pioneered  (B) pioneered  (C) who pioneered  (D) who they pioneered

2. Green _____ have the power to make food from substances found in the air and soil.
    (A) only plants  (B) the only plants  (C) plants alone  (D) plants are alone

3. _____ as " the census taker of the sky," Annie Jump Cannon contributed considerably to the field of
    astronomy.
    (A) Known  (B) Kowing  (C) To know  (D) Knowledge

選錯的
1. James Whitcomb Riley, the "Hoosier Poet," wrote many of his work in standard English, but he wrote his
                                                                        A                                               B
    most popular poems in the dialect of his home state, Indiana.
           C                                 D

麻煩大家了，謝謝

奈落之夜

1.   C      用關係代名詞 who 代替先行詞 other women

2.   C      選A B 難以連接,選D會多一個動詞

3.   A      直覺!!......也有啦,應該是"被"的語氣,因為是"被知道"

4.   A      不太確定, work 不可數

Katliang

1. C 跟樓上的一樣
2. C 跟樓上的一樣
3. A B,C或D是現在進行式~所以都跟句子沒關係
4. A instead of many should be much