[ Grammar ]
Air …………………………………. (consist) mainly of nitrogen and oxygen.
A. consists
B. consist
C. is consisiting
D. are consisting
Random Topics:
Grammar - Verb FormsGerund NounAuxiliary VerbsGrammar - Capitalization and Possessive NounsActive & PassiveLanguage Features of an Opinion ArticleProverbsAuxiliary Verbs (be, do, have)Past and Present TensesAdjective ClausesOther quiz:
Simple Tenses › ViewAre the windows ___ by the janitor every day?
A. cleaning
B. cleaned
C. clean
D. cleans
Grammar › View
Identify the subject in the sentence below?
Behind the tree lurked a tiger.
A. tree
B. lurked
C. a tiger
Grammar › ViewI ____ I’d visited you last summer when I had the chance.
A. wish
B. hope
Grammar › View
It is the weekend. Julia and her family ___ at the park.
A. is
B. are
C. was
D. were