He is often ( ) in bed in cold winter.A.ill B.ills C.illing D.on illed
问题描述：
He is often ( ) in bed in cold winter.A.ill B.ills C.illing D.on illed
often是一般现在时 一般现在时结构为?
有了often为甚还要is?这句话是是什么时态?
on illed是甚意思?
（反正把你为什么这么做的原因告诉我）
答
A ill (形容词）
often 一般现在时