单项选择题

A．Who the early settlers were.
B．When the first Arbor Day began.
C．How the first Arbor Day came into being.
D．Who wasJ. Sterling Morton.
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C
单项选择题
A．It is important to master a foreign language.B．Crossing one’s leg is impolite manner.C．It is important to master the language of a country as well as the manners there.D．Touching the head of an elderly person in Thailand is very polit
A．It is important to master a foreign language.
B．Crossing one’s leg is impolite manner.
C．It is important to master the language of a country as well as the manners there.
D．Touching the head of an elderly person in Thailand is very polit
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