[ Grammar ]
What __________________ me is why his books are so popular.
A. Puzzles
B. Tests
C. Searches
D. Weighs
Select your answer:

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Present Perfect vs Past SimpleIN, ON & ATVerb & GrammarComparisionParallelism and Subject Verb AgreementVerb Tenses and Past ParticiplesModals and Modal PerfectsPhrasal Verb & Prepositional PhraseFuture Simple TensePossessive Adjectives and Possessive PronounsOther quiz:
Tenses › ViewCarol … here at weekends since the first month of this year
A. has been working
B. is working
C. worked
D. works
Adjective vs. Adverb › View
The sweater is totally MOTH-EATEN.
A. ADJ
B. ADV
