—It is so noisy here that I can’t hear _____ just now. Could you please say it again?—No problem.
—You look very happy, why? —I have got _______ “A” in the math test.
_______ good advice the teacher gave me!
They went out for a walk at night, _______ ?
—Excuse me. Could you please show me how to use this MP4 player? — .
—Do you know _________ the meeting? —Tomorrow morning.