[ Grammar ]
When Miss Wang walked into the classroom in the morning, all the students _____ the classroom at that time.
A. clean
B. cleaned
C. is cleaning
D. were cleaning
Select your answer:

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Time Clauses and Conjunctions › ViewFill in the blank: ‘By the time we arrived, the show had already started.’
A. paused
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Quantifiers › View
At the beginning, everybody spoke English very quickly, and I couldn’t understand ________, but now things are easier.
A. much
B. many
C. a great deal of
D. a lot of
