[ 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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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
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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