Birds are hidden from their enemies they blend into their surroundings.
No
Yes
It takes courage to obey difficult instructions the wise man will obey for his own good.
No
Yes
An invention differs from a discovery, but they are closely related.
No
Yes
An invention is the creation of something that never existed before.
Yes
No
Thomas Edison was perhaps the greatest inventor in history his first invention was a vote recorder.
Yes
No
A penny is a very small amount but the comfort of many families depends upon the proper saving and spending of pennies.
No, there should be a comma before but.
Men are not ruined by what they want they are ruined by what they think they want.
Yes
No
The Venus flytrap often grows to a height of one foot.
Yes
No
Bob studied diligently for his math test and he passed.
No
Yes
Our basketball team won the game for the district championship.
No
Yes
We play chess when it rains.
Yes
No
The little boy dreamed about the day he become a fireman just like his dad.
No, you need a comma after fireman.
The custodian swept the hall floor after the kids came in from recess.
No
Yes
Most bears hibernate during the cold winter months so you don't have to worry about seeing them during a winter walk.
No, you need a comma after months.
Pollen causes people with hay fever to sneeze they should stay inside during spring.
No
Yes
Mr. Dunn assigned three exercises for homework during the second week of school.
No
Yes
