题目内容

operator ()

A. someone who connects telephones through a central system and gives information and other help to people using telephones.
B. a person who serves another person.
C. to fall or drop slowly to another level.
D. to attempt through effort.

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trying ()

A. someone who connects telephones through a central system and gives information and other help to people using telephones.
B. to attempt through effort.
C. having life; living.
D. causing extreme annoyance, hardship, or irritation.

customer ()

A. the act or an instance of helping.
B. the act of asking for something.
C. to clean or dry by rubbing lightly with a soft cloth, paper, or one's hand.
D. a person who buys products or services.

service ()

A. to ask for politely.
B. to fall or drop slowly to another level.
C. the act of one who serves, such as a waiter, repair person, or government worker.
D. a person who serves another person.

load ()

A. to put on or in something in order to carry.
B. happening or done every day.
C. to remove hair from the face or body with a razor.
D. the quality of being useful or handy for someone's purpose or need.

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