你可能感兴趣的试题
had we heard we heard did we hear we have heard
has he had did he have he had he has had
Having heard When he heard Hearing When hearing
had only an incomplete picture of what happened heard and saw nothing at all talked to the pilot was once a pilot
was writing would write had written has been writing
a little did he hear little did he hear little heard he a little heard he
he took; had we recognized he took; did we recognize did he take; had we recognized did he take; did we recognize
hear hearing heard to be heard
didn’t hear haven’t heard shouldn’t have heard hadn’t heard
he took; had we recognized he took; did we recognize did he take; had we recognized did he take; did we recognize
hear hearing heard to be heard
a little did he hear little did he hear little heard he a little heard he
So did he So he did Neither did he Nor did he
have gone have been has been had gon
has he had did he have he had he has had
a little did he hear 1ittle did he hear 1ittle heard he a little heard he