[ Grammar ]
Our research measures the impact of_______ on this particular eco-system.
A. human activity
B. sea level
C. greenhouse gas
D. global warming
Select your answer:

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Tenses and QuestionsPhrasal verbs and Prepositional PhrasesPassive SentenceConjunctions and ClausesBASIC GRAMMAR - PRONOUNSNarrative TensesClauses and ConjunctionSimple Future - PassiveGRAMMAR - Could / Could notSimple Future TenseOther quiz:
Comparative Adjectives and Adverbs › ViewChoose the right adjective to make comparative or superlative sentences:
Titanic is the___________________movie I’ve ever seen.
A. longgest
B. most long
C. largest
D. longest
Modals › View
I missed class yesterday because I was sick. I ________ ask the teacher what I missed.
A. ought to
B. would
C. was able to
D. musn’t
