[ Subject Verb Agreement ]
Which of the following sentences contains a subject-verb agreement error?
A. Either the cat or the dog chase the mouse.
B. Either the cat or the dog chases the mouse.
C. Either the cat or the dog is chasing the mouse.
D. Either the cat or the dog are chasing the mouse.

Random Topics:
Adverbial PhrasesGerundsFuture Tenses and ModalsGrammar- Later/LatterContrastive ConjunctionsSentencesModals for RecommendationsNouns & PronounsGrammar (was, were, could, could not)Active & PassiveOther quiz:
Conjunction › ViewShe has to work harder, _______ she will fall the next exam.
A. or else
B. otherwise
C. now that
D. but for
Adjective › View
It was…
a. a strange haunted old huge castle.
b. a strange huge old haunted castle.
c. a castle huge strange haunted old.
Indefinite Pronoun › ViewNone of the material is suitable for (its,their) purpose
A. Its
B. Their
Grammar › View
I ________ when my boss walked in my office. I was on Facebook.
A. wasn´t working
B. didn´t working
C. wasn´t worked
D. worked
