用how
long提问,动词必须是延续性动词,时态一般要用完成时
how
long
had
you
been
here?
About
two
weeks.
how
long也可以问长度
How
long
is
Changjia
River?
how
far一般问距离,
How
far
is
it
from
here
to
the
gardon?
It’s
2
kilometres
但是!!!
It
takes
us
two
hours
to
go
to
school
from
our
home.提问应为How
far
is
it
from
your
home
to
school?
隐含距离因素