[ Modal Verbs ]
A pilot __________________ train for many years to obtain his license.
A. have to
B. has to
C. don’t have to
D. doesn’t have to

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Word Form & Verb TenseConditional Sentences and Verb FormVerb AgreementGerund Subject or ObjectGrammar PhrasesPreposition and AdjectivePassive Voice in Past and Present TenseConnectorsHope, Thank, Modal VerbsGrammar Like & Linking VerbOther quiz:
Grammar › ViewWhich is the first place in Vietnam _________as a World Heritage Site by UNESCO?
A. to recognize
B. recognizing
C. to be recognised
D. having been recognised
Grammar › View
Nobody ___ absent yesterday.
A. was
B. were
Grammar › ViewI have been working as a software engineer for the past five years. My ________ is very demanding, but I enjoy it.
A. occupation
B. accent
C. colleagues
Grammar › View
Teenagers should learn basic ______ , such as cooking a meal and using a washing machine.
A. life skills
B. life work
C. life force
D. life expectancy
