If we ___________ renewable energy sources, we ___________ our carbon footprints.
A. used/reducing
B. will use/ reduce
C. are using/reducing
D. use/ will reduce

Random Topics:
Perfect TensesAdverb PhrasesGrammar: so and suchPast Simple and Past ContinuousRoot WordCorrelative Conjunction & Complex SentencesPresent Simple & Present ContinuousModal Verbs of PermissionConjunctions, Interjections and DeterminersPast Tense & Present Perfect TenseOther quiz:
Grammar and Vocabulary › ViewApply the correct punctuation: ‘She said she would come however she was late’ or ‘She said she would come; however, she was late.’?
A. She said she would come, however she was late.
B. She said she would come. However, she was late.
C. She said she would come; however she was late.
D. She said she would come; however, she was late.
Modal Verbs › View
It expresses obligation.
A. would
B. should
C. have to
Grammar › ViewWhich is written correctly?
A. Dear Ms. Lewis,
B. Dear ms lewis,
C. Dear, Ms. Lewis
D. Dear ms Lewis,
Comparison › View
The teacher speaks English ……………… than we do.
A. as fluently
B. more fluent
C. more fluently
D. as fluent
