On the long journey, Peter ________ a most interesting guide. We all had a wonderful time.
| A．practiced | B．behaved | C．proved | D．conducted |
_______ the right kind of training, these teenage soccer players may one day grow into the international stars.
| A．Giving | B．Having given | C．To give | D．Given |
At present, one of the arguments in favor of the new airport ________ that it will bring a lot jobs to the area.
| A．is | B．are | C．will be | D．were |
Some people fear that ________ air pollution may bring about changes in _______ weather around the world.
| A．/; the | B．the; / | C．an; the | D．the; a |
The ____________ shoes were covered with mud, so I asked them to take them off before they got into __________ car.
| A．girl’s; Tom’s | B．girls’; Toms’ | C．girls’; Tom’s | D．girl’s; Toms’ |
He told us all________ he had done with the waste material.
| A．that | B．which | C．what | D．whom |