Question

。

関係詞の練習プリントで、大問2がよく分からないので
解説お願いしたいです🙇‍♂️回答だけでも大丈夫です！

2 次の各文がそれぞれほぼ同じ意味の英文になるように、( )に適する語を書きなさい。
(1) I met Cathy. She was a good singer.
=
I met Cathy, (
) was a good singer.
) is by the river?
(2) Do you see the blue house? It is by the river.
-
Do you see the blue house (
(3) Ken smiled at me. It made me so happy.
=
Ken smiled at me, (
) made me so happy.
(4) Susan was born in Japan in 1964. The Tokyo Olympics was held then.
=
Susan was born in Japan in 1964, (
) the Tokyo Olympics was held.
(5) I'll show you the lake. We often enjoy fishing in it.
=
I'll show you the lake in (
) we often enjoy fishing.
(6) She went into the living room, and there she found her father lying on the sofa.
= She went into the living room, (
) she found her father lying on the sofa.
(7) Egypt is a country where my father never been.
= Egypt is a country (
) (
)
my father never been.