[ Present Continuous Tense ]
She is worried because a lot of reefs are …….
A. Doing research
B. Cleaning
C. Dying

Random Topics:
Modal PerfectPast PerfectGrammar and PunctuationPhrase or ClausePossessive AdjectivesModal Verbs in ConditionalsGrammar: so and sucha, an, the, zero articleVerbal and Appositive PhrasesGerunds/InfinitivesOther quiz:
Nouns as Adjectives › View(they) ___ father works in a car factory
A. your
B. my
C. their
D. our
Grammar › View
Choose the correct punctuation for the following sentence: What is your name
A. ?
B. ,
C. .
D. !
Subject Verb Agreement › ViewClimate change ________ our planet in many ways.
A. impact
B. impacts
Vocabulary and Grammar › View
Choose the word that best completes the sentence: Her ability to ________ complex problems is highly valued in the team.
A. complicate
B. resolve
C. ignore
D. create
