你可能感兴趣的试题
had ever done would ever do was always doing is always doing
must be, has been in mustn’t be, has gone can’t be, has been can’t be, has gone to
has prepared had prepared has been preparing was preparing
devoted to do devoted to doing devoting to doing is devoted to doing
have been to has been in have been in has been to
has been doing had been doing did was doing
has prepared had prepared has been preparing was preparing
had just been asked has just asked was just asked just asked
has gone to have gone to has been in have been in
is doing was doing has done has been doing
was doing had been doing has been doing is doing
have been to has been in have been in has been to
have been have gone has been has gone
has been always considered has always been considered always has been considered has been considered always
has been to has went to has gone to has been
looked up to looked down upon looked around for looked forward to
be, to do has been, doing be, doing has been, to do
has never gone had never gone has never been had never been
did was doing has been doing had been doing
always gets up often got up has got up never gets up
湘公网安备 43130202000226号