[ 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
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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:
Modal Verbs › ViewFill in the blank with the appropriate modal verb:
You _ bring an umbrella; it might rain later.
A. should
B. can
C. must
Passive and Active Voice › View
They built this temple 3,000 years ago. This must ________ a great civilization.
a. have been
b. was
c. not have been
d. has been
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