题目内容
--- has your grandma been like this?
--- Since last night.
- A.How often
- B.How long
- C.When
- D.How soon
B
根据答语内容Since last night.表示的是很长一段时间,问句的特殊疑问词用how long,故选B
根据答语内容Since last night.表示的是很长一段时间,问句的特殊疑问词用how long,故选B
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