--Everyone wants to keep healthy without too much effort.--So let's start from our mouth by _______ those healthy foods, which people can easily get in their daily life. 

—Please have a seat .—Thank you .

—Betty, pass me the ______. I will cut the cake.—OK, Mom. Here you are.

―What do you want to be in the future, John?  ― I want to be _____ fashion designer. It is ______ interesting job.

— I wonder ________ you water this kind of flower. ---Every other day.