—Where is my watch? I can’t find it.—Don’t worry. It must be _________ in your room.
I want to provide you _______ food and clothes.
Miss Green has _______ free time than Mr Green. She is busy all day.
I think this is ______ useful book.
______useful advice we had in the meeting last week!
_______animals are in danger and there will be _______space for them if we do nothing for them.