[ Present Tenses ]
I think you ____ your energy by sweeping up those leaves, stop it! The wind will blow more down.
A. Wasted
B. waste
C. are wasting
D. were wasting

Random Topics:
Conjunctions, Interjections and DeterminersPreposition of TimeCompound and Complex SentencesVerb and PrepositionPresent Perfect Simple and ContinuousSecond ConditionalComparative Adjectives and AdverbsAdverbs (manners & modifiers)Indefinite ArticleModal SpeculationOther quiz:
First Conditional › ViewIf a natural disaster … , you will be safe with a travel insurance.
A. happen
B. happens
C. will happen
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Vocabulary › View
Dessert is my favorite part of dinner. I love anything that tastes ______.
A. sweet
B. juicy
C. crunchy