Choose the best word or expression to complete each sentence.The relationship between employers and employees has been studied ______.
A. originally
B. extremely
C. violently
D. intensively
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Choose the best word or expression to complete each sentence.However, at times this balance in nature is _______, resulting in a number of possiblyunforeseen effects.
A. troubled
B. disturbed
C. confused
D. puzzled
Choose the best word or expression to complete each sentence.I'm very sorry to have _______ you with so many questions on such an occasion.
A. interfered
B. offended
C. impressed
D. bothered
Choose the best word or expression to complete each sentence.The price of beer _______ from 50 cents to $4 per liter during the summer season.
A. altered
B. ranged
C. separated
D. differed
Choose the best word or expression to complete each sentence.His remarks left me _______ about his real purpose.
A. wondered
B. wonder
C. to wonder
D. wondering