问题描述：
英语选择-Will you join us to play basketball on Saturday afternoon? -________,but I promised to go
-Will you join us to play basketball on Saturday afternoon? -________,but I promised to go swimming with Eric.
A.Never mind B.Many thanks C.No problem D.It's a pity
-Will you join us to play basketball on Saturday afternoon? -________,but I promised to go swimming with Eric.
A.Never mind B.Many thanks C.No problem D.It's a pity
问题解答：
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