Organisms living millions of years ago produced energy using retinal, ... | GrammarQuiz.Net

[ 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:

Present tense Affirmative Grammar : can, could and be able to Passive with Modals Simple Present and Present Continuous Tenses Conjunctions - Conjunctive Adverbs Vocab Checking Passive Voice and Modals Verb Identification Similes, Metaphors, Personification and Hyperbole First Conditional Sentence

Other quiz:

Gerund vs. Infinitive › View

DO I KNOW YOU? I DON’T REMEMBER __________ YOU HERE BEFORE.

A. SEE
B. TO SEE
C. SEEING

Grammar › View

i love my car, ____ has many features

A. it’s

B. it

C. it is

D. itt

➤