[ Grammar ]
She ___ at her computer all day, so she needs a break.
A. sits
B. sat
C. has been sitting
D. is sitting
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Simple Present Continuous TenseConjunctions and Verb TensesVerbs, Tenses, and VocabularyArticles and DeterminersSimple Compound and Complex SentencesPassive SentenceFuture Simple TenseVocabulary & Phrasal VerbModals, Infinitives and GerundsModifiersOther quiz:
Interjection & Prepositional Phrases › ViewIn formal writing, it is grammatically incorrect to end a sentence with a preposition.
A. TRUE
B. FALSE
Noun Clause › View
We are not responsible for … the students decide in this situation.
A. why
B. where
C. when
D. what
Vocabulary & Grammar › ViewScientists ___ that climate change is accelerating due to human activities.
A. hypothesize
B. facilitate
C. oversee
D. initiate
Grammar › View
James ___________ a shark while he was fishing last weekend.
A. catched
B. caught
C. was catching