[ Modal Verbs ]
There are no lights on and no one answers the doorbell. They ______ be at home.
A. Should
B. Must
C. Can’t
D. Could

Random Topics:
Sentence Fragments and Complete SentencesPrepotitionsFuture Perfect TenseQuantifiers & Modal VerbsGRAMMAR - Could / Could notPresent and Past Simple TensePast Simple & Past PerfectAdverbs, Infinitives, Definite ArticleAuxiliary Verbs & Question TagsGrammar AssessmentOther quiz:
Subject Verb Agreement › ViewHe (has/have) a lot of friends in school.
A. having
B. have
C. had
D. has
Grammar › View
Before computers were common in the classroom, teachers ____________ in front of the room and talk endlessly about a subject.
A. would have to stand up
B. will have to stand up
C. would have had to stand up
D. will have had to stand up
Conjunctions › ViewIdentify the conjunction in the sentence.
I don’t really like vegetables, but I love fruits.
A. like
B. but
C. really
Possessive Adjective › View
The lawyer or his assistants will ask some questions about your case in … office.
- his
- their
- her
- its
