Such men have made______by developing oil businesses.

Always read the ________on the bottle carefully and take the right amount of medicine. 

As second-hand smoking is more harmful and dangerous, people want a total _____against smoking in public．

There were so many cars held up by the heavy rain on the road that we had no        but to wait.

 I bought a new type of cell-phone, which was the ____ of all my classmates.