---Do you like tea or coffee?--- coffee. I prefer coffee ______ milk.
— Which sport will you take part in? — The ______ race.
—Humans can’t live _______ air. —I agree with you.
He____know the answer, but I’m not sure. A. maybe B. may be C:may D. must
—_______ can I keep the books? —Two weeks.
-My mother is ill in hospital. ——_______. A.That’s OK B:.All right C.Thank you D. I’m sorry to hear that.