[ Subject-Verb Agreement ]
The surfer or the swimmers (is, are) responsible for the littered beach.
A. Is
B. Are

Random Topics:
Grammar: Simple Past and Past ContinuousObject PronounsSecond and Third ConditionalGrammar ModalsComparatives or SuperlativesCountable QuantifiersGerund or to InfinitivePresent SimpleToo or EnoughGerund vs InfinitiveOther quiz:
Relative Clauses › ViewThey’re still looking for the girl ____________ went missing last week.
A. who
B. which
C. whose
D. where
TOEFL Adjective and Adverb › View
Ceremonial rituals played a crucial role in . . . . ancient American Indian cultures.
A. many of which
B. many of
C. many of them
D. many
Tenses › ViewHani has been reading a book for two hours
What tense is used in the sentence above?
A. Simple Present
B. Present Continuous
C. Present Perfect
D. Present Perfect Continuous
How much or How many? › View
_____mangoes do you want?
A. How much
B. How many
