Topics: Subject Verb Agreement
The build-up of gases in the air from burning large tracts of forest ______ to global warming.
A. contributes
B. contribute
Select your answer:
Random Topics:
Preposition and Preposition PhraseSo, Such, Many, MuchNoun, Verb, AdjectivePunctuating ClausesPrepositions and ArticlesGerund & ParticipleGrammar-Verbs & Nouns Singular, Plural, GenderAdjective SuffixesZero ConditionalGrammar of Conjunctions and PrepotitionsOther quiz:
Relative Clauses › ViewThat’s the woman ______ son won a prize.
A. who
B. whose
C. whom
Modals for Recommendations › View
Ought to is a modal used for:
A. Neccesity
B. Suggestions
C. Obligation