[ Subject Verb Agreement ]
Some of the books on the shelf _____ dusty.
A. is
B. are

Random Topics:
Subject Verb Agreement Irregular VerbDo / Have / Can - Basic QuestionsGrammar ClausesThere is, There are, Some, AnyGrammar & TensesIf ConditionalsQuantifiers: too many, too much & enoughJobsFirst Conditional & Future TensesSimple Past Irregular & NegativeOther quiz:
Conjunctions › ViewI am not sure ________ he will agree.
A. lest
B. if
C. yet
D. whether
Grammar › View
Sam … attend math class yesterday.
A. was not
B. were not
C. did not
D. does not
Tenses › ViewI _____ at Central Station at around six thirty – see you then.
A. will arrive
B. will have arrived
C. will be arriving
D. will have been arriving
Grammar › View
Has he ever ________ (visit) Paris?
A. visits
B. visiting
C. visited
D. visitings