单项选择题

A．A projector and a wireless microphone.
B．A PowerPoint projector and an overhead projector.
C．A projector and a microphone on the podium.
D．A wireless microphone and a microphone on the podium.
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单项选择题
A．To have fun.B．To have a celebration.C．To welcome their guest.D．To welcome Cathy’s sister.
A．To have fun.
B．To have a celebration.
C．To welcome their guest.
D．To welcome Cathy’s sister.
单项选择题
A．They are little sheep.B．They are mice.C．They are lambs.D．They are little pigs.
A．They are little sheep.
B．They are mice.
C．They are lambs.
D．They are little pigs.
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