Mary kept weighing herself to see how much______ she was getting. A heavier B heavy C the heavier D the heaviest
You can find whatever you need at the shopping centre,_____is always busy at the weekend.
These newly-produced cars are sold at so low a price_____people expected.
The most important thing_____we should pay attention to is the first thing _____I have said.
The World Wide Fund for Nature is an organization_____aim is to protect wildlife.
A container weighs more after air is put in,_____proves that air has weight.