[ Grammar ]
To ______ our bodies, we should exercise regularly.
A. strengthen
B. strengthened
C. strengthens
D. was strengthened

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Simple Present and Present Continuous TenseSimple Present ProgressiveModals - Conditionals - Future TensesTenses and StructureModals AuxiliaryQuantifierPunctuationPreposition and AdjectivePresent Simple: affirmative, negative, interrogativeTransitive and Intransitive VerbOther quiz:
Simple Tenses › ViewDid you meet somebody at the train station?
A. Simple Present Tense
B. Simple Past Tense
C. Simple Future Tense
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deep thought; reflecting on something
A. tranquil
B. contemplation
C. forlorn
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A. metallic
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Grammar › View
Do you like to swim or dance?
A. No.
B. I can not swim.
C. Yes, I do.
D. I like to swim.
