The Education Ministry proposed guidelines to decrease the amount of the homework given to students each day，their burden is much heavier than what they can（）.

With refrigerators and freezers，we can（）a lot of different foods in our homes.

A.preserve
B.serve
C.deserve
D.observe

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They are existing on pensions that are （）by the government.

A.subsidized
B.computerized
C.criticized
D.internalized

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