Many clothing manufacturers now substitute artificial silk _____ natural silk to cut down costs of production．
| A．with | B．by | C．for | D．of |
— Did you have a good rest last night?
— Yes. I slept right ____ the thunderstorm.
| A．on | B．in | C．at | D．through |
The tourists often complained of being _____ by the local peddlers when they buy some souvenirs.
| A．ripped off | B．ripped out | C．ripped up | D．ripped way |
If you want to get a good ______, you’d better stand on the top of the hill.
| A．sight | B．scene | C．view | D．look |
— What’s your favourite sport?
Skiing. ____________.
| A．I get a kick out of it | B．I prefer it |
| C．I choose it | D．I’m used to it |
. In crowded streets, for the safety of people, it is ______ to drive faster than 20mph.
| A．forbidden | B．persuaded | C．required | D．demanded |