[ 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 › View. Choose the correct past form of “begin”:
A. Beganed
B. Began
C. Begun
D. Begin
Future Tenses › View
Don’t call me between 8 a.m. and 12 p.m. I _____ .
A. work
B. am working
C. have worked
D. will be working
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