[ Grammar ]
From the simplest single-cell organism floating in prehistoric oceans _____________ all forms of life now inhabiting the earth.
A. Evolved
B. Had evolved
C. Evolve
D. Evolving

Random Topics:
Who vs WhomAbstract NounsGerundsPast Simple, Past Continuous, Past Perfect, Past Perfect ContinuousCompound and Complex, ConditionalsGerund and InfinitivesVOCAB & GRAMMARGerund and To InfinitivePassive Voice of TensesNumbersOther quiz:
Grammar › ViewShh! They _____ _______at the moment.
A. was studied
B. were studying
C. are studying
D. is studying
Phrasal Verbs › View
Little Christopher _____ his father. He has black hair, big feet and a bad temper just like his dad.
A. looks after
B. grows up
C. brings up
D. takes after
Vocabulary › ViewHe knew that his final exam would require countless hours of _______ study.
A. bystander
B. distraught
C. endeavor
D. irate
E. laborious
Passive Voices › View
The fish are cooked by a professional chef.
A. TRUE
B. FALSE
