関係詞ほとんど忘れてしまったので。
次の???に入る選択肢はどれだと思いますか？詳しい解説(できれば訳)もお願いします。
1.City authorities have increased the fine for owners ??? let their dogs run around without leashes.
(A)whose (B)who (C)where (D)what
2.New laws ??? will govern the disposal of industrial waste were approved by parliament today.
(A)which (B)where (C)those (D)they
3.At the end of his speech, Senator Matthews introduced his political advisor Fatima AI-Samir, ??? he had spoken about earlier.
(A)why (B)whose (C)whom (D)when
4.The State and National Party has announced ??? it will enter the election on a pledge to cut business taxes.
(A)which (B)these (C)that (D)them
5.The government has started new campaigns to conserve energy use, some of ??? are difficult to carry out.
(A)whom (B)them (C)which (D)how
1.City authorities have increased the fine for owners (B)who let their dogs run around without leashes.
(A)whose (B)who (C)where (D)what
市当局は紐をつけずに犬を走り回らせている飼い主に対する罰金を上げました。
☆先行詞はowners「飼い主」で人（主格）。
2.New laws (A)which will govern the disposal of industrial waste were approved by parliament today.
(A)which (B)where (C)those (D)they
産業廃棄物の処理を規制する新しい法律が今日議会で承認されました。
☆先行詞はnew laws「新しい法律」で物（主格）。
3.At the end of his speech, Senator Matthews introduced his political advisor Fatima AI-Samir, (C)whom he had spoken about earlier.
(A)why (B)whose (C)whom (D)when
演説の終わりで、マシューズ上院議員は彼の政策アドバイザーのファティマ・アルシャミールを紹介しましたが、彼については先に議員は話していました。
☆about whomとするのでなければ、whoが用いられることの方が多いのでは？... he had spoken about [him] earlier. のhimがwhomになって、先行詞Fatima Al-Samirの後ろに入っている。
4.The State and National Party has announced (C)that it will enter the election on a pledge to cut business taxes.
(A)which (B)these (C)that (D)them
国家国民党は事業税減税を公約に掲げて選挙に突入すると発表しました。
☆このthatは接続詞「～と言うこと」、関係代名詞ではない。
5.The government has started new campaigns to conserve energy use, some of (C)which are difficult to carry out.
(A)whom (B)them (C)which (D)how
政府はエネルギー使用を控える新しいキャンペーンを始めましたが、そのいくつかの実行は困難です。
☆先行詞はnew campaigns、... but some of them (= the new campaigns) are difficult to carry out.
<参考>
英文法の泉（関係代名詞・関係副詞を参照して下さい）
http://www.e-bunpou.net/index.html
