[ Tenses & Passive ]
Millions of cards ______ every year.
A. send
B. will send
C. were sent
D. are sent

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Simple Present - WH QuestionsVerb BEPrepositions of Location, Movement and TimePhrase vs ClauseVerb FormIn/On/At + TimeTransitional WordsVerbs: Will & Going toVocabulary and TensesHabitual and Continuous TensesOther quiz:
Adverb Clauses › ViewTrue or False.
An adverbial clause can NOT stand alone.
A. TRUE
B. FALSE
Grammar › View
The theory was too __________ for most students.
A. abstruse
B. psychological
C. conventional
