[ Modal Verb ]
Our company provides free advice on the use of our products. You _______ pay us.
A. must
B. have to
C. needn’t
D. mustn’t

Random Topics:
Future - will / going to / present continuousSimple Future - WillTenses - AuxiliariesFuture Tense VerbVerbs and Adverbs-ed and -ing AdjectivesGrammar and IdiomsModal Verbs and Gender NounsGrammar: AgreementHas Got & Have GotOther quiz:
Simple Present Tense › ViewRoger ___________ not go to my school.
A. Does
B. Is
C. Do
D. Are
Preposition & Gerund › View
Instructors vary in how they prepare ______ teaching a course.
A. from
B. for
C. at
D. in
Modal Verbs › ViewYou __________ park here; it’s against the rules.
A. mustn’t
B. shouldn’t
C. don’t have to
D. ought to
Grammar › View
___ in hospital for several weeks, she was delighted to be home.
A. Being
B. Been
C. Having been
