[ Vocabulary and Grammar ]
Which of the following sentences uses “while” correctly before a complete sentence connected to another complete sentence by a comma?
A. She was reading a book while, he played the guitar
B. The children were playing outside while, it started raining.
C. He enjoys hiking, while his friends prefer staying indoors.
D. We were working on the project while, they were preparing the presentation.
Select your answer:

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Be going to / WillInfinitive GerundGrammar and PunctuationAdverbial PhrasesTransition WordsDirect and Indirect QuestionAbilitySimple Present and Simple PastGrammar: Defining Relative ClausesTOEIC GrammarOther quiz:
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A. any
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Which words should be capitalize?
Dad brought grandma and my cousins with us to the circus.
A. brought
B. grandma
C. cousins
D. us
E. circus