Question

ぬ

解答がないため、
あっているかどうか教えていただきたいです。
習ったばかりなので間違っている部分が
あるかもしれません。

1( ) we should do is to make our world peaceful.
(a) Which (b) That (c) What (d) Those
) he tells.
2
3
I have never heard such stories
(a) as (b) that (c) what (d) which
I went into the library, (
(a) which (b) that (c) where
) I met an old friend of mine.
(d) when
4 He is not (
) he was ten years ago.
(a) who (b) which (c) that (d) what
5 The day will come (
(a) which (b) what (c) where (d) when
) they will understand you.
6 Do (
) you like.
(a) whoever (b) whomever (c) whatever (d) however