. As they were classmates, ________ was no wonder that they should do the work in the same way.
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.
I’ll take you to a shopping center nearby_____you may buy all_____you need.