Some people haven’t realized something as common as _______to the sun for a longtime will do harm to their skin and even cause skin cancer.

Do you take music lessons in Grade Nine—No, but it’s reported that a new Canadian study shows young children __________take music lessons have better memories.

The world today _____ different without the amazing discoveries produced by great scientists.

I am going to have a test next week.—–__________!

The author believes that it is the test system,________ the teachers, that is to blame for the heavy burden of middle school students