文法解説

質問

2 A thief broke into the house the door of (

) was unlocked.

which
whose
whom
that

の中から1つ選ぶ

回答No.2

Nakay702

＞A thief broke into the house the door of ( ) was unlocked.
＞which whose whom that の中から1つ選ぶ
⇒whichが正解です。
（(whose, whom は格が合わず、thatは前置詞と組みません。)

回答No.1

keaget09

Dennbakunnさまはじめまして。
Keaget09こと、たまっちです。

＞2 A thief broke into the house the door of (

) was unlocked.

→ which ではないでしょうか？

いちばんしっくりきます。