The past fives years have seen a _______ growth in economy in China.   

The little girl looked at the huge statue with a puzzled look, wondering why the color of it was not _____
with its background.

Through thorough investigation, Dr. John Snow was finally able to prove that the outbreak of Cholera _____ people’s drinking of polluted water.     

Nicolaus Copernicus’ discovery about the universe is ______, which ______later achievements in astronomy science.     

When you are ______ about something, you are ______ to do whatever you can to get it.     

So ______ was he in his work that he didn’t notice that it was raining hard.

Not only do the two brothers look _____ but also they walk, talk and think _____. Sometimes, it is hard
to tell them apart.   

The woman she acted in the film is ______ the women in the 1930s.

Cloning humans has been _____ in the science world for many years and it is likely that it will continue to   be.