单项选择题

A．element
B．concern
C．need
D．step
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单项选择题
What’s a student in his second year called.
A．Senior.
B．Sophomore.
C．Freshman.
D．Junior.
单项选择题
When did Ruth and Elliot Handler owned a company that made wooden picture frames
A．In the mid 1950s.
B．In 1955.
C．In 1959.
D．In the mid 1940s.
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