Sorry, I haven’t got enough cash to pay for the bill. I have __________ 10 yuan with me. Can I pay for it with my a credit card?
I don’t think ____ possible to master a foreign language without much memory work.
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.