American eat______________ as they actually need every day.
Is ____ necessary to complete the design before National Day?
I hate _______ when young people speak to the elderly in a rude way.
—How long are you staying there?—_________depends.
.______was known to them all that William had broken his promise______ he would give each of them a gift.
.—When can we come to visit you?—Anytime you feel like________.