根据句意，用括号内所给单词的适当形式填空。
I think our school is ___________ (real) beautiful.
I don’t know him well. I only meet him ________ (two).
We can keep __________ (diary) every day. It’s interesting.
— Whose room is this?
— Oh, it’s those _______ (play).
My grandparents often go _______ (walk) for half an hour after supper.