Low-carbon life is of great benefit to improve the world environment. _____ can be enjoyed from it until you have a deep understanding of it, though.
| A．something | B．Nothing | C．Few | D．Much |
— You’d better keep quiet in class.
— Sometimes I______ . Yesterday, I was as quiet as a mouse during my English class.
| A．would | B．do | C．did | D．was |
______ private cars are bringing us convenience, they also cause more traffic accidents and pollution.
| A．While | B．As | C．If | D．Since |
Which do you enjoy ______ your holiday, going abroad or staying at home?
| A．spending | B．to spend | C．being spent | D．spend |
— Have you finished your composition already?
— Yes. I ______ it in twenty minutes.
| A．have finished | B．finished | C．will finish | D．had finished |
The performance supposed to be popular______ to be a great disappointment after it was over.
| A．turned up | B．turned down | C．turned out | D．turned over |