[ Tenses ]
The children ___________ for hours on their project.
A. werk
B. worked
C. workied
D. working

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Word Form & Verb TenseModals and PhrasesVerb Tenses and Usage-ed or -ing-ing form and the to-infinitivePast Simple, Present Perfect TensePast Continues TenseContractions and ConjunctionsPresent Simple and Continuous TenseArticles and PrepositionsOther quiz:
Grammar › ViewWHAT IS THE SIMPLE PAST OF LIKE?
A. Liked
B. Likeed
C. Layked
Many vs. Much › View
There are _________ pet shops.
A. A lot of
B. Much
C. Many