[ Subject Verb Agreement ]
A group of birds …………………. together over the bay.
A. are flying
B. flies
C. has flown

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Relative & Interrogative PronounsGrammar - Present Perfect with already, just, yetIn/On/At + TimeLanguage Features: Reflective ArticleTransitive or Intransitive VerbsCommon ErrorAdverbial Concession ClausesComparatives, Superlatives & EquativesZero ConditionalContinuous and Perfect TensesOther quiz:
Conditionals › ViewI ………………………..the car if I had the right tools.
A. could repair
B. can repair
C. repaired
D. will repair
Grammar › View
It has been said that the wars of the future will not be fought over land. ___________, they will be fought over the water supply.
A. However
B. Besides
C. Instead
D. Therefore