He was given a seven-year _____________ with an annual salary of $120,000.
A. contact
B. contract
C. contrast
D. connect
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A lucky person won the ______________.
A. content
B. concept
C. context
D. contest
We usually take a __________ once a year.
A. vacation
B. vocation
This is one of the most important _______ in the history of mankind.
A. accidents
B. incidents
C. events
D. things
They are happy to give their services free of _____________.
A. price
B. cost
C. expense
D. charge