[ Comma ]
C.S. Lewis a famous author for both adults and children wrote many books about Christianity.
A. C.S. Lewis a famous author for both adults and children wrote many books about Christianity.
B. C.S. Lewis a famous author for both adults and children, wrote many books about Christianity.
C. C.S. Lewis, a famous author, for both adults and children wrote many books about Christianity.
D. C.S. Lewis, a famous author for both adults and children, wrote many books about Christianity.

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TensesPast PerfectDependent PrepositionPronoun & Present SimpleGrammar (either..or.. and neither..nor..)To infinitive - GerundLinking Words and PhrasesInfinitive GerundContinuous TenseHave to / Do not have toOther quiz:
Conjunctions › ViewNajib likes yellow colour.
Rosam likes red colour.
A. Najib likes yellow colour or Rosam likes red colour.
B. Najib likes yellow colour but Rosam likes red colour.
Loose vs. Lose › View
He recenly fixed my … chair leg.
- loose
- lose