*Question*
Many grains of sand together form what? Choose the most suitable option to answer the above question. Options：  A. eye  B. bathing suit  C. sand pile  D. clam  E. create pearl
**Answer**
C

*Question*
What would you most likely use a blower to remove snow from? Choose the most suitable option to answer the above question. Options：  A. canada  B. ground  C. mountains  D. surface of earth  E. yukon
**Answer**
B

*Question*
The soldiers were on the run and in danger, they entered a building to hold up but first they had to make sure it was what? Choose the most suitable option to answer the above question. Options：  A. full of people  B. safety  C. lie  D. secure  E. being safe
**Answer**
D

*Question*
After the windstorm it needed replacing, he decided to get a heavier tile what? Choose the most suitable option to answer the above question. Options：  A. roof  B. home  C. fabric  D. floor  E. computer game
**Answer**
A