[ Grammar and Sentence Structure ]
. Choose the correct parallel action structure:
A. From 2010 until 2015, while she work
B. From 2010 until 2015, while she was working
C. From 2010 to until 2015, while she working
D. Since 2010 until 2015, while she worked

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a. glove
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The chairs which I bought yesterday ———very costly.
A. is
B. was
Grammar › ViewShe is ___ student in our class.
A. more noisy
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He _______ (write) a letter while she _______ (read) a book last night.
A. wrote / read
B. was writing / was reading
C. writes / reads
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