—The charity walk begins _______ 9.00 a.m. Don’t be late. —No problem.
— What’s matter?— A car is in way.
—If I work hard at my lessons from now on, can I do well in them?—Sure. ___________.
—Could you tell me __________ yesterday?—Because my bike was broken on my way here.
—What a beautiful dress you are wearing today!—_________. It’s nice of you to say so.
—Can I borrow your ruler, please?—Yes, you ________. But you must return it to me before lunchtime.