[ Vocabulary ]
Organisms must ………. to survive in an ever-changing environment.
A. adapt
B. evolve
C. erode
D. affect

Random Topics:
Modal and Modal PerfectGrammar - Punctuation of SentencesActive Voice-Present tensePast Simple VS Used toGrammar: Reported QuestionsTenses UsagePast Simple & Past PerfectTenses and ArticlesSimple Past/Past ProgressiveWH- Question WordsOther quiz:
Relative Clauses › ViewNo one knows____the Indian custom of sati-widows burning themselves on their husbands’ funeral pyres-began, but it has now become very rare.
A. that
B. whose
C. how
D. which
E. who
Perfect Tense › View
He ______________ to Hawaii many times.
A. have been
B. went
C. has been
D. was going
Grammar › ViewLook at ________ mice in the cage.
A. those
B. this
C. that
Conjunctions › View
You can’t get a good mark ___ you study hard.
A. since
B. unless
C. either … or
