He couldn't answer this questin just now.=He _ _ _/_ _ _ answer this question just now.She has to stay in hospital for a month.(对for a month提问）_ _ does she _ to stay in hospital?Leo and David are the same weight=Leo is _ _ _ David.
问题描述：
He couldn't answer this questin just now.=He _ _ _/_ _ _ answer this question just now.
She has to stay in hospital for a month.(对for a month提问）
_ _ does she _ to stay in hospital?
Leo and David are the same weight=Leo is _ _ _ David.
答
wasn't able to
How long have
as heavy as
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答
1.wan't able to/ was unable to
2.How long,have
3.as heavy as