Earth is a rocky planet _______ liquid water, which is necessary for life, can exist.
| A．as | B．which | C．where | D．when |
—Would you like to buy a car here?
—Yes,but I’d like to buy made in Shanghai.
| A．that | B．one | C．it | D．the one |
The commander commanded that the soldiers at 9:00.
| A．arrived | B．arrive | C．would arrive | D．had arrived |
You had betterearly to avoid heavy rush hour traffic.
| A．set aside | B．set off | C．set up | D．set down |
He hadsupper with us yesterday.It’svery good supper.
| A．the;a | B．the;/ | C．/;the | D．/;a |
The World Wildlife Fund for nature(WWF)says that we will be punished if no measuresto control climate change.
| A．are taken | B．will take | C．had taken | D．was taken |