This is_______ way I've told you about. Isn't it_______ useful one?
---Thank you for your useful advice.---________________.
---Do you mind my sitting here, Tom?---___________. It’s for our teacher, Mr Green.
---What do you think of her dress?---I think it still looks quite fashionable on her ____ it is a style of many years ago.
He finished his work in 30 minutes. For the ____of the time, he played with his dog.
---What shall we do this weekend?---You can go swimming, hiking, or _______else you enjoy doing.