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

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Preposition › ViewWhat type of preposition is the underlined word? The gymnast jumped onto the balance beam.
A. place
B. movement
C. time
D. connection
Modals › View
I heard that travelling around Europe ___ be quite expensive.
A. can
B. should
C. must
D. may
