[ Grammar ]
__________ is essential for breaking down food.
A. Saliva
B. Transport initiative
C. Sauna
Select your answer:

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Linking Words and Conjunction › ViewBecause the weather is hot, we stay indoor.
A. Because of hot weather, we stay indoor
B. Because hot weather, we stay indoor
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Modal Verbs › View
How many tablets ___ he ___ take per day?
A. can
B. should
C. may
