过去经常迟到，现在会准时到校，i
used
to
be
late
but
now
i
will
arrive
on
time
过去乱扔垃圾，现在帮助清洁校园，i
use
to
throw
rabbish
at
will
but
now
i
help
to
clean
the
campus.
过去经常玩电脑游戏，现在参加学校活动
i
used
to
play
computer
games
but
now
i
take
but
in
the
school
activities.
内容全部来源于网络收集，如有侵权，请联系网站删除：QQ：24596024