单项选择题

Which of the following is NOT a free morpheme

A．bed
B．tree
C．dance
D．children
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单项选择题
The Thanksgiving Day is on_____.
A．Feb. 14th
B．Oct. 31st
C．the last Thursday in Nov.
D．the first Sunday in May.
单项选择题
The capital of New Zealand is_____.
A．Auckland
B．Canberra
C．Melbourne
D．Wellington
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