[ Perfect Tenses ]
The journalist ____________the conspiracy theory for months before publishing the piece last week.
A. had investigated
B. had been investigating
C. was investigating

Random Topics:
How much and how manyIdentifying Sentence TypesSynonymsVerb Tense, Pronouns and AntecedentsSubject, Object, Possessive Pronoun and Possessive AdjectivesSpellingConditionals III - Mixed 1st, 2nd & 3rd ConditionalsGrammar (Adjectives)Grammar and SyntaxSimple Present Negative and QuestionOther quiz:
Conjunctions › ViewThe students decided not to go out in the break___ it was snowing heavily.
A. and
B. but
C. or
D. for
E. nor
Grammar › View
……………… he likes spaghetti, he hardly ever makes it.
A. But
B. While
C. However
D. Yet
Phrasal Verb and Modal › View. Hey kids! Do you think Abigail and Ethan should ever play with matches? What do you think they must or must not do?
A. must
B. must not
Second Conditional › View
If I were 20,
A. I will travel the world.
B. I would travel the world.
