[ Past Perfect and Past Perfect Continuous Tense ]
She ________ (teach) chemistry before she became a journalist.
A. had teached
B. had been teached
C. had been taught
D. had been teaching

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Phrasal Verb › Viewinspect a place; look round
A. See over
B. See off
C. See about
D. see out
Grammar › View
Check the past tense verb(s) in the sentence.
Louis’s face burned with embarrassment when the librarian told him to leave.
_
A. face
B. burned
C. embarrassment
D. when