【題目】—I'm very sorry. I broke your tea cup.—________.

【題目】I can’t tell when the house was built _______, but it must be very old.

【題目】The young man is trying his best _________his dream come true.

【題目】Perhaps there ______ terrible air pollution in the next few years.

【題目】—Could you give me some advice on how to solve this problem?

【題目】______ it’s eleven o’clock in the evening now, Miss Lin is still working hard on her project.

【題目】The heavy rain made us ______ at home all day. It was boring.

【題目】Do you know what ________ teenagers most in their life?

【題目】 Sandy likes travelling. She _______ stays at home during holidays.

【題目】How much does the woman pay for the shirt?