摘要： My sister is a

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My sister is good at ________.

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My sister is good at ________.

A．sing B．sings C．singing D．to sing

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My sister is good at ________.

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My sister is good at ________.

A.
sing
B.
sings
C.
singing
D.
to sing

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My sister ________．

A．is good at singing

B．is well in singing

C．is good at sing

D．do well in singing

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