[ Grammar ]
Antarctic pearlwort, a low-growing shrub with characteristic yellow flowers, is one of only two native flowering plants which ______ in Antarctica.
Which choice completes the text so that it conforms to the conventions of Standard English?
A. were occurring
B. occur
C. are occurring
D. will have occurred

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Modal Auxiliaries and Similar ExpressionsComparisonDependent ClausesSimple, Compound, Complex SentencesPast Perfect Simple TenseRelative & ModalsAspect or tenses of VerbsPresent / Future / Present Progressive / non Action VerbsPresent Simple vs Present ContinuousQuantifiers, Countable and Uncountable NounsOther quiz:
Vocabulary and Grammar › ViewThey ________ their car at our disposal for our entire stay.
A. had
B. took
C. put
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If I __________ the exam, I ____________________.
A. pass; will graduate
B. would passed; would graduate
C. pass; graduate
Grammar › ViewShe … (not; to listen) to what I am saying.
A. isn’t listenning
B. aren’t listening
C. isn’t listening
D. am not listening
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A:Can you do the dishes for me? B:OK. I ___ it in the afternoon.
A. did
B. am doing
C. was doing
D. will do
