Topics: Verb Tenses
While he was writing to his friend, he __________a noise upstairs.
A. was hearing
B. had heard
C. heard
D. hears
Select your answer:

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Gerund and Infinitives › ViewChoose the correct answer. Mind your using either active or passive voice.
When I told my students the news, they seemed __________.
A. to surprise
B. to be surprised
C. surprising
D. being surprised
Grammar › View
They …TV when I came.
A. were watching
B. watched
C. are watching
D. watch
