Not only the old, the young, but also middle school students have been ( ) in smoking.
举一反三
- Not only the switches but also the old wiring () changed. A: have B: are C: have been D: has been
- Some people believe that smoking may （） one’s life—not only cancer, but also heart and lung diseases are related with smoking. (short)
- Windsor Middle School has been famous for zero ___________ to violence and emphasis on respect for its students and rules.
- The old parents have been living with the young couple and their children for some years. ( )
- For whom is A.P. course prepared for?? Middle school students; |Postgraduate students|College students ; ; ; ; ; ; ; ; ;;|High school students ; ; ; ; ; ;;