---has your grandma been like this?- Since last night.A. How oftenB. How longC. WhenD.

发布时间：2020-08-21 23:06:02

---     has your grandma been like this?   --- Since last night.
A. How often
B. How long
C. When
D. How soon

网友回答

A. How often
(答案→)B. How long
C. When
D. How soon
解析：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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