单项选择题

A．providing first aid
B．providing blood
C．caring for those who are in need
D．demonstrating water safety
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单项选择题
A．War.B．Providing services.C．Natural disasters.D．Providing blood.
A．War.
B．Providing services.
C．Natural disasters.
D．Providing blood.
单项选择题
A．Mr. Jones’ neighbor.B．Mr. Jones’ babysitter.C．Mr. Jones’ wife.D．A stranger.
A．Mr. Jones’ neighbor.
B．Mr. Jones’ babysitter.
C．Mr. Jones’ wife.
D．A stranger.
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