He is too tired __work__.他太累了,不能继续工作了．有两空！‘
问题描述：
He is too tired __work__.
他太累了,不能继续工作了．
有两空！‘
答
to ; too.
he is too tied to work too.
他也一样太累了以至于不能再工作
答
to
答
to at
work 在这里做不及物动词
答
to --
答
he is too tired to work again