You will ______ for not learning English; you never know how much you will miss without being able to speak English.
A. cling to
B. impose on
C. come in handy
D. pay a big price
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People are concerned about the environment issue because air and water pollution not only affects everyone’s health but also makes it difficult for businesses to ______.
A. profit
B. overcome
C. win
D. purchase
Though many things have been changed culturally, there is a commitment and sense of responsibility that have not been _____ in today’s society.
A. held
B. discarded
C. validated
D. expressed
A strong police force has been placed between the two _____ groups in village to prevent fighting and killing.
A. proponent
B. joint
C. friendly
D. rival
What does prefix ir- mean?
A. under
B. together
C. not
D. before