The air in Xuzhou is much worse than that in many other cities.We must do______to protect our environment.
| A．nothing | B．anything | C．something | D．everything |
_ Lily _ Lucy is going with you because one of them must slay at home.
| A．Not only；but also | B．Neither; nor |
| C．Both;and | D．Either;or |
— Did you go to Nancy's birthday party last night? —Yes. I did.
| A．So did Tim | B．So Tim did | C．Tim did so | D．Tim went so |
We don't like people _ talk too much but never do anything.
| A．whose | B．who | C．when | D．which |
Don't _ too late.or you will feel tired in class.
| A．wake up | B． get up |
C．stay up | D．stand up |
_are planning to go on vacation.
| A．Black’s | B．A Black’s | C．The Black’s | D．The Blacks |