Topics: Subject Verb Agreement
Choose the correct verb form to complete the sentence: The flock of birds _______ across the sky.
A. climbed
B. flew
C. ran
D. swam
Select your answer:

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Present Simple and Continuous TensePresent Simple vs Present ContinuousGender and GrammarGrammar - used toIrregular verbsVerbs and PrepositionsModals Deduction: cant /mustAdjective SuffixesVocabulary and TensesModals of Speculation and DeductionOther quiz:
Simple Present vs Present Progresive › View……….. you sleep early everyday?
A. Are
B. Does
C. Is
D. Do
Vocabulary › View
The _______________ is the solid, outer layer of the earth that consists of the crust and the rigid upper part of the mantle.
A. Mantle
B. Stratus
C. Lithosphere
D. Core
