单项选择题

A．To make an appointment.
B．To confirm an appointment.
C．To postpone an appointment.
D．To cancel an appointment.
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单项选择题
A．In America cars have been equipped with safety belts since 1964.B．In America cars were equipped with safety belts until 1964.C．After 1964, some organizations began to advocate the use of safety belts.D．Some organizations began to advocate the use of safety belts in 1964.
A．In America cars have been equipped with safety belts since 1964.
B．In America cars were equipped with safety belts until 1964.
C．After 1964, some organizations began to advocate the use of safety belts.
D．Some organizations began to advocate the use of safety belts in 1964.
单项选择题
A．In a cardboard box.B．In a metal box.C．In a wooden box.D．In a leather box.
A．In a cardboard box.
B．In a metal box.
C．In a wooden box.
D．In a leather box.
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