单项选择题

The words that contain only one morpheme are called ______.

A．bound morphemes
B．affixes
C．free morphemes
D．roots

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单项选择题

Easter falls officially on the ______ Sunday after the full moon of March.

A．first
B．second
C．third
D．fourth

单项选择题

New Deal was the program of social and economic reforms introduced by President ______.

A．L. B. Johnson
B．Franklin. D. Roosevelt
C．Eisenhower
D．Gerald R. Ford

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