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为什么填a,怎么不填the?In 1778,Banks was elected president of the Royal Society,___position he hel
In 1778,Banks was elected president of the Royal Society,___position he held for 42 years.为什么填a,怎么不填the?
In 1778,Banks was elected president of the Royal Society,___position he held for 42 years.为什么填a,怎么不填the?
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