[ Modals ]
To my opinion, books and real experiences ____ important role as sources of knowledge
A. have
B. has
C. haven’t
D. doesn’t have

Random Topics:
Grammar - Punctuation of SentencesPossessive Pronouns and Adjective PronounsPresent Perfect and Simple Past TenseSuffixes and TensesConditional and SubjunctiveGrammar: Have toWH- Question WordsNouns, Pronouns, Antecedents, and Singular and PluralAdverbial Clause / If / ComparativesModals for RecommendationsOther quiz:
Grammar › ViewWhich of the following sentences is grammatically incorrect?
A. Is this your jacket?
B. Whose jacket is this?
C. Is this jacket yours?
D. Who’s jacket is this?
Vocabulary › View
Resulting from or showing lack of knowledge or intelligence
A. Administer
B. Disdain
C. Ignorant
D. Crucial
