—Is the Maths problem ______? —Yes. I can work it out ______.
—Excuse me, where did you get the book? —I borrowed it from the ___________.
—Would you mind staying in such a noisy room? —No, but my son needs a __________ place to study in.
—May I take the magazine out of the reading room? —No, you can’t. You _________ read it here. It’s the rule.
Mr. Fang is always the first one to be in the office ________ he lives far from his company.
— Can you come to my birthday party on Sunday evening, Mike? —__________, but I must look after my grandma at home.