[ Vocabulary ]
Organisms must ………. to survive in an ever-changing environment.
A. adapt
B. evolve
C. erode
D. affect
Select your answer:
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Verbs & Adverbs › ViewChoose the correct correct option to complete each sentence:
Sheena _____writing a letter, when the bell______.
A. is/rung
B. will/ring
C. was/ringing
D. was/rang
Simple Present Tense › View
Marcus …… everyday
A. study
B. studies