Greenland is _______ huge island that is mostly covered with_______ thick ice sheet.
I hope you can _______a solution to question as soon as possible.
It is believed that a new kind of drug _____ by the scientists and they are hopeful that they will succeed in a few months.
The speaker raised his voice _____ make himself _____ by the listeners.
We waited and waited.________ we had been looking forward to.
The living room is clean and tidy, ________ a dining table already laid for a meal to be cooked.