21. My mother asked me to repeat ________ phone number ________ second time so that she could write it down.
A. the; a B. a; a C. a; the D. the; the
22. — I’ ll help you prepare for the party on Wednesday.
— Please don’t ______. My sisters have promised to help me.
A. promise B. annoy C. bother D. disturb
23. — ______ him off tomorrow, or you will regret it. — I will.
A. To see B. Seeing C. If you don’t see D. See