[ 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:
Grammar › ViewThe table is _______ the chair and the sofa.
A. between
B. next to
C. beside
D. near
Grammar TOEFL › View
______ at two prestigious universities, Amanda has a hard time deciding which one to choose.
A. Accepting
B. She was accepted
C. Accepted
D. She was accepting
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
