单项选择题
Families like（）Rockefellers have become（）synonym for（）wealth.
A．/...the...a
B．the...a.../
C．the.../...a
D．/...a...the
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相关考题
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单项选择题
Professor Lee has（）large collection of books, many of which are written in（）foreign languages.
A．/.../
B．the...the
C．a.../
D．the.../ -
单项选择题
（）umbrellas are commonly used to protect（）people from（）rain.
A．/...the...the
B．The...the.../
C．/.../.../
D．The.../...the -
单项选择题
If laid out in（）straight line,（）human digestive tract would measure approximately thirty-foot long.
A．a...the
B．/...the
C．the.../
D．the...a
