单项选择题


A．change
B．to change
C．changed
D．changing
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单项选择题
A．toldB．tellC．tellingD．tells
A．told
B．tell
C．telling
D．tells
单项选择题
Which of the following is NOT true about the trumpet
A．It has a long history.
B．It has a large family.
C．It produces a beautiful tone.
D．It is the most popular musical instrument.
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