[ Grammar ]
She … for two hours when she woke up to an explosion.
A. had slept
B. has slept
C. had been sleeping

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Tenses › ViewLook! Kate…………. the flowers
A. is planting
B. are planting
C. planting
D. is plannting
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The students ______ up the classroom after they made a mess.
A. were asked cleaning
B. were let clean
C. made to clean
D. were made to clean
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A. meet
B. meets
C. met
D. a. meeting
Grammar › View
A correction pen is used for ____ your writing mistakes.
A. cover
B. covered
C. covering
D. to cover
