Peter has good grades in all his subjects, but he never shows off.—-I agree. He is very ________.

Could you please come to the museum with me this afternoon—Sorry, I ______ . I have to take a piano lesson at 2 pm.

Is_____ ready —No， we still need to buy an umbrella before the trip starts.

Why not go travelling— I can’t afford it. _____ the cost, it will take a lot of time.

have a quarrel about money last night, but nowwe have already _________