[ Modal Verbs of Obligation ]
I ______ wear glasses because I can’t see very well.
A. mustn’t
B. have to
C. don’t have to

Random Topics:
Verb Tenses and ModalsAntonymsWill or Going toMixed ConditionalVerb PhraseConditionals and Modals of ProbabilityPresent Simple and ContinuousCompound and Complex SentencesSimple Present - WH QuestionsGerunds and InfinitivesOther quiz:
Grammar › ViewDo tarantulas _______ scales?
A. Have
B. Has
Grammar › View
(about a plane) leave the ground
A. pick up
B. run out
C. take off
D. look after
