问题 选择题

---            has your grandma been like this?   --- Since last night.

A.How often

B.How long

C.When

D.How soon

答案

答案: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

单项选择题
单项选择题