for instance, be known for, due to, be regarded as, be attached to,
take place, die from, come up with, in fact, even if
（1）
Although it has been proved that Franklin's experiment , more than one scientist has questioned what really happened.
（2）
That sounds rather simple, but it's very difficult.
（3）
She also a brilliant physicist, and was again awarded the Nobel Prize in 1911 for the isolation of pure radium.
（4）
Children can do a lot of housework, , clean their rooms and wash the clothes.
（5）
But in science, facts should be proved by experiments and research, and we should not always believe everything we read or hear— it is a great story.
（6）
Some have even questioned the story about the apple that fell on Newton's head and led him to his theory of gravity.
（7）
The French their love of their language.
（8）
This hospital the medical college nearby.
（9）
Two of them apparently unrelated causes.
（10）
In the book he explains changes in species take place natural selection.
