[ Vocabulary & Grammar ]
The two scientists ___ the effectiveness of the newly discovered treatment.
A. facilitate
B. dispute
C. initiate
D. allocate

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Regular and Irregular AdverbFuture Continuous TenseEssential and Nonessential ClausesSimple and Progressive Verb TensesSentence Adverbs & Third Conditional-Ing and Infinitive Verb PatternsAdverb PhrasesAdjectives Ed and IngThe Present Progressive TenseSo or SuchOther quiz:
Grammar › View
Read the address. Which shows the correct use of a comma?
A. Mrs., Jane
B. Jane, Miller
C. 9736, Hemlock
D. Plano, TX
Grammar › View
He ________ sing really well. People love listening to him at music concerts.
A. isn’t able to
B. can’t
C. was able to
D. is able to
Grammar › ViewTeacher Diego went to Vinmart…
A. to become rich
B. to teach
C. to sleep
D. to buy milk
Some vs. Any › View
There weren´t _____ good books in the library.
a. some
b. any
