单项选择题

Questions 19 to 22 are based on the conversation you have just heard.

A．Seeing a falling round object.
B．Hearing a bird-like sound.
C．Observing a bright light.
D．Witnessing the impact.
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单项选择题
A．Driving a car.B．Taking a taxi.C．Taking a train.D．Going by subway.
A．Driving a car.
B．Taking a taxi.
C．Taking a train.
D．Going by subway.
单项选择题
A．To develop a savings plan.B．To set up a bank account.C．To set clear investing goals.D．To work out the budget.
A．To develop a savings plan.
B．To set up a bank account.
C．To set clear investing goals.
D．To work out the budget.
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