一、 1、as soon as
2、As soon as
3、Unless
4、unless
5、so; that
二、 1、for
2、since
3、since
4、since
5、for
三、1、older
2、younger
3、bigger
4、higher
5、better
四、1~5 B;A;C;B;D
6~10 D;A;B;C;B
五、1、 hasn't told
2、How long have
3、What has
4、What have; done
5、Have; seen; yet
6、Has;swept
六、1、too; to
2、unless
3、as soon as
4、enough to
5、has been open
6、has been away
7、joined;ago
8、It is; since