[ Modal Verbs ]
They _____ be at home – all the lights are off.
A. can’t
B. mustn’t
C. may not
D. shouldn’t

Random Topics:
Sentence Structure and PunctuationNouns FormationAdjective + to + VerbModals of Obligation and PermissionParallelism and Subject Verb AgreementModal VerbsPresent Perfect - Just, Already, YetPrepositionPerfect Tenses and VocabularyPast Simple (to be)Other quiz:
Grammar › ViewIdentify the sentence which has the same meaning: “Make hay while the Sun shines.” – Proverb
A. One has to work hard to achieve one’s goals.
B. One must work hard in the morning and take rest at night.
C. One needs to make full use of opportunities as they arise.
Grammar › View
Luke: “I don’t know what to do.”
Luke said that ……………………. know what to do.
A. he didn’t
B. he doesn’t
C. I didn’t
D. I don’t
Grammar › ViewDo you _________ me to help you?
A. wanting
B. wants
C. wanted
D. want
Grammar › View
What _______________ a firefighter do?
A. is
B. are
C. do
D. does
