21. _____ playing dumb with teachers. They know very well their students.
A. It’s no use B. There’s no use C. It’s no need D. There’s no need
22. –You just said you hate your brother. Why?
– He is a black sheep of the family, always _____ trouble to my family.
A. make B. makes C. made D. making
23. – Do you know Backstreet Boys _____ to Beijing this month?
– Of course. I am going to fly to Beijing to watch their fabulous live show!
A. was coming B. are coming C. come D. have come
