问题描述：
1.( )Lucy and Lily __________ good at dancing.
A.are all B.both are C.are both D.all are
2.The question is ________,I can answer it __________.(easy).
3.Giant pandas are _____________(protect) animals.
A.are all B.both are C.are both D.all are
2.The question is ________,I can answer it __________.(easy).
3.Giant pandas are _____________(protect) animals.
问题解答：
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