—Why do you like living in the countryside?—Because there’s _______ noise and _______ cars there.
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.
Good hotels can provide us _______hot water even at night. And it can also provide food ______us any time.