Grammar Quiz
[ Grammar ]

Organisms living millions of years ago produced energy using retinal, which was _____ dark purple colour.

A. a

B. an

C. the

D. The

Select your answer:
         


Random Topics:

Adverb of TimeConditional Sentences Type I, IIAdjective OrderPresent Tenses and ConnectorsModal Verbs - ObligationReported Speech and SubjunctivePrepositions after VerbsPassive Voice - Present TensesAuxiliary Modal

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I __________ go for a Mickey D’s, once every 2 months or so.

A. occasion

B. occasionally

C. always

D. never

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I love to get ………………….. early in the morning.

A. off

B. on

C. up

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