[ Grammar ]
The dog barks at the squirrel.
A. past
B. present
C. future

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Simple Past TensePast and Present TensesIN, ON & ATParts of Speech and Compound SentencesGerunds as objects of prepositionused to vs be used to vs get used toModals for Necessity and SuggestionsTenses of VerbsIF CLAUSEVocabulary & GrammarOther quiz:
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A. declarative
B. interrogative
C. imperative
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Past Simple Tense › View
I ____ sleep very well last night.
A. wasn’t
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Grammar › ViewThe dog _ (bark) loudly at strangers.
A. bark
B. barks
C. barking
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Grammar › View
It’s worth …………
A. To do
B. Doing
