7. So I must. → So must I.

6. find → find it， 這里的it是形式賓語， 而to make their living是不定式作賓語。

5. as this city → as that of this city,這里的that 代替the population作比較的部分是不可省略的。

4. me → mine。

3. Whom → Who， 這里do you think是插入語， 這里who是作句子主語。

2. Depend upon that → Depend upon it that, that所引導的從句不可作介詞賓語， 必須加上it，再由that引導定語從句。

1. whomever → whoever, 這里是由whoever引導的賓語從句作for的賓語， 而whoever在從句中作主語。

10.Only yesterday the hotel manager assured my husband and me that he would accept our reservation for a room.

　　 注 釋

9. I spoke a man who I thought to be my cousin.

8. He is taller than any one in his class.