[ Subject - Verb Agreement ]
One of the machines ______ down at least once a month.
A. break
B. breaks
C. breaking
D. broken

Random Topics:
Vocabulary Spelling GrammarIndirect SpeechAdverb ClausesGrammar - much, many, a lot ofGerunds and InfitinitivesVerbs of movementFood VocabularyPresent or Past TensesModals and Past ModalsPhrasal Verb & Prepositional PhraseOther quiz:
Tenses › ViewHe ___ since 8 am, but he still ___ the report.
A. has been working / hasn’t finished
B. worked / didn’t finish
C. has worked / doesn’t finish
D. is working / didn’t finish
Grammar › View
Choose the correct form of the verb: The cat _______ on the mat.
A. was
B. are
C. is
D. were
Grammar › ViewAfter the children finished their dinner, they went to bed ______ listened to a bedtime story before falling asleep.
A. that
B. and
C. so
D. while
Past Tense and Past Continuous › View
The farmers __________ the field when it began to pour.
A. were ploughing
B. had ploughed
C. had been ploughing
D. ploughed
