[ Tenses ]
Some officials still need ……………. of the importance of separate playing fields for young football and baseball players.
A. convince
B. to be convinced
C. be convincing
D. have convinced

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Habitual and Continuous TensesTAG QuestionsTypes of Simple SentencesSubjunctivePreposition FormTypes of PrepositionVerb + Infinitive or GerundWH Questions and Simple Past TensePronouns, Sentence Structure, and Figurative LanguagePassive Voice - Past SimpleOther quiz:
Grammar › ViewWhy do you run?
I run _______.
A. to stay healthy.
B. for stay healthy.
Interjection & Prepositional Phrases › View
Which of the following is NOT a preposition?
A. Before
B. Around
C. And
D. Over