Topics: Adverb Clauses
_____ Mrs. Richards was entering the dining-room, there was a knock on the front door.
A. At the very moment
B. So long as
C. Only when
D. During the time
Select your answer:

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Grammar › ViewThe film ____ you recommended was truly captivating and thought-provoking.
A. which
B. who
C. whose
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Robots were_____to be a threat to employment, but now they are known to help.
A. perceptible
B. perceptive
C. perception
D. perceived
