Question

まめ

教えていただきたいです！
よろしくお願いします＜(_ _)＞

3 (it to ~の構文①] 次の(1), (2)は It で始めて, (3), (4)は形式目的語 it を使って書きかえよ。
(1) To work in this office is pleasant.
It
(2) Talking with friends is great fun.
It
om
(3) I found that to solve the problem was difficult.
I found it
1ob avod
(4) I think that to sleep well is necessary.
I think it