[ Past Perfect and Past Perfect Continuous ]
I ….about that book until you mentioned it.
A. hadn’t heard
B. hadn’t been hearing

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Verb Tense › ViewIs the verb tense past perfect, present perfect or future perfect? ‘The experiment will have concluded by tomorrow.’
A. Past perfect
B. Present perfect
C. Future perfect
D. Simple future
Used to › View
That cinema ________ _____ (be) a theatre before.
A. use to be
B. use to been
C. used to be
Conjunctions › ViewWe cannot travel to the sun…………..it is very hot.
A. but
B. because
C. if
D. when
Articles › View
____ Love is a powerful emotion.
A. a
B. an
C. the
D. no article