[ 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 › ViewDo you know ___ Chens? They’re a nice family living in ___ United States.
A. the; the
B. the; (nothing)
C. (nothing); the
D. (nothing); (nothing)
Modal Verbs › View
What do modal verbs express?
A. anonymity, possibility, permission, obligation
B. ability, possibility, permission, obligation
C. ability, property, permission, obligation
D. ability, possibility, position, obligation
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
