[ Past Perfect Tenses ]
Which sentence best uses the past perfect continuous to describe an ongoing action in the past?
A. She had been practising the piano for two hours when her teacher arrived.
B. She practised the piano for two hours when her teacher arrived.
C. She was practising the piano for two hours when her teacher arrived.
D. She has been practising the piano for two hours when her teacher arrived.
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A. Ice
B. Paint
C. Rainbow
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I’m studying English _______ the Language School.
A. to
B. at
C. on
D. from