[ Past Tenses ]
I ________________ a lot to make this presentation.
A. was researching
B. researched
C. has researching
Select your answer:
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Other quiz:
Antonyms › View Bob is the shortest boy in our class.
A. tallest
B. biggest
C. widest
D. brightest
Definite & Indefinite Pronoun & Conditionals › View
If people used cars less, the air … much cleaner.
A. would be
B. would have been
C. will be
D. was
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