高一英语选择题答案(顺带解释下,谢)

解决时间：2008-6-19 20:20 字体:[大 中 小]

问题：

30.Tht treatment will continue until the patient reaches the point( )he can walk correctly and safely.
a.when
b.how
c.which
d.where 30.Tht treatment will continue until the patient reaches the point(D )he can walk correctly and safely.
a.when
b.how
c.which
d.where
被动嘛