单项选择题

A．improvement in everyday life.
B．improvement in educational system.
C．lower wages and more working hours.
D．more experienced workers and technicians.
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单项选择题
A．Eta.B．al-Qaida.C．the supporters of the opposing party.D．the terrorists from the Middle East.
A．Eta.
B．al-Qaida.
C．the supporters of the opposing party.
D．the terrorists from the Middle East.
单项选择题
A．A customer has to tip the waitress.B．A customer has to pay each time he gets drinks.C．A customer has to pay for all the drinks when he is leaving.D．A customer has t9 sit at the table to wait for their turn to be serve
A．A customer has to tip the waitress.
B．A customer has to pay each time he gets drinks.
C．A customer has to pay for all the drinks when he is leaving.
D．A customer has t9 sit at the table to wait for their turn to be serve
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