It was announced that only when the examination papers were handed in ________to go out of the classroom．
| A．the students would be permitted | B．had the students been permitted |
| C．would the students be permitted | D．the students had been permitted |
The number of farmers with Internet access has dramatically increased, _____the way farmers do business.
| A．having changed | B．to change | C．changing | D．changed |
For many years we have been keeping in ____by sending each other e-mails or phone calls.
| A．connection | B．contrast | C．relation | D．touch |
____ you read English easily, you’ll find it’s another cup of tea to make conversation in English.
| A．Because | B．As though | C．Even if | D．Whether |
To prepare for the Olympic Games in summer, London ____ its largest ever exercise to test the response of emergency services.
| A．planned | B．is planning | C．had planned | D．plans |
Saving and recycling are long-term projects ____ determination matters a great deal.
| A．that | B．which | C．whose | D．where |