In case it thunders, we’d better _____________ the electricity at once and turn off the TV.
| A．cut in | B．cut off | C．cut down | D．cut away |
The boss has given everyone a special holiday, so wego to work tomorrow.
| A．can’t | B．mustn’t | C．needn’t | D．shouldn’t |
Treatto a glass of wine to help you relax at the end of the day.
| A．one | B．oneself | C．you | D．yourself |
Dolly wants to cycle round the world and she is really keenthe idea．
| A．on | B．for | C．at | D．with |
From time to time a crocodile has snatched someone _______ he or she is even aware that the crocodile is there.
| A．when | B．until | C．since | D．before |
_____ unemployment and crime are high, it can be assumed that the latter is due to the former.
| A．Before | B．Where | C．Unless | D．Until |