[ Grammar ]
Identify the following sentence as simple, compound, or complex.
Nuclear reactions within the sun produce its energy.
A. simple
B. compound
C. complex

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Past Tense vs Present TenseEnglish for TourismSentence Types and ConjunctionsThe Present Progressive TenseModals VerbsZero and First ConditionalsTAG QuestionsDegrees of ComparisonAuxiliaries VerbTOEIC Grammar and Vocabulary ReviewOther quiz:
Modals › ViewWe … get up so early – we had plenty of time.
A. didn`t have to
B. mustn`t
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I think Mr. Edison (donate) _________________________ blood several times.
A. donated
B. have donated
C. has donated
D. donates
Grammar › ViewThis word means ready and able to resort to arguing or violence.
A. mollify
B. gingerly
C. derogatory
D. pugnacious
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Mumps …….. a very common disease which usually affects children.
A. is
B. are
