题目内容
－Mum, where is my toy train? You promised．
－_________, my but you know mum is pretty busy today．Tomorrow, OK?
[ ]
A．So it is
B．So is it
C．So did I
D．So I did
答案：D
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--Mum, where is my toy car? You promised.
--_____, my dear, but you know mum is pretty busy today. Tomorrow, OK?
| A．So it is | B．So is it | C．So did I | D．So I did |