[ Vocabulary ]
She decided to ______ on marine biology to explore the intricate ecosystems of coral reefs.
A. take a stroll
B. make an effort
C. do research
D. catch a glimpse

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Tenses and ComparisonsDo not or Does notGrammar Past and Future TenseOffer and SuggestionPronouns of QuantityThe Simple Present TenseCommasParticipal PhrasesModals and Comparative SuperlativeTOEFLOther quiz:
Vocabulary › Viewspecial understanding about something
A. insight
B. enthralled
C. capacity
D. unseemly
Subject Verb Agreement › View
Choose the correct verb to complete the sentence
The rhythm of the pounding waves _____ calming.
A. was
B. were
C. being
Past Simple Tense › ViewWhat __________ you _________ last weekend?
A. did / do
B. do / did
Adverbial Clause, Noun Clause › View
Jimmy and ken are…alike that l can’t tell one from another
A. Such
B. So
C. Will
D. And
E. That
