题目内容
--Laura didn’t join in their dancing last night , did she ?
---________________, because she fell off her bike and hurt her legs
---________________, because she fell off her bike and hurt her legs
A.Yes, she did | B.No, she didn’t |
C.Yes, she didn’t . | D.No, she did |
B
B 反意疑问句的回答根据事实,肯定用yes,否定用no。根据句意,她从自行车上摔下来伤到腿了。可知,她没去。排除A/C, D项前后矛盾。故选B。

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