students ages 6-9 years old is recommended to drink____ glassess of water per day.
a. 6 or more
b. 5 or more
c. 8 or more
d. 12 or more

students ages 10-12 years old is recommended to drink____ glasess of water per day.
(same choices lang po)

students ages 13-18 years old is recommended to drink____ glasess of water per day.
(same choices lang p0)

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