你可能感兴趣的试题
are going had been went have been
Yes, I did No, I didn’t Yes, I had No, I hadn’t
was teaching… didn't go taught… didn't go was teaching… went taught… went
are going had been went have been
went; didn’t go have gone; haven’t gone went; haven’t gone went ; hadn’t gone
They and I went to school They went to school, but I didn’t They didn’t go to school, but I did They and I didn’t go to school
are going had been went have been
a few white hair some white hair several white hairs much white hair
went; didn't go have gone; haven't been went; haven't been went; hadn't been
went; haven’t gone went; didn’t go have been; don’t go had been; haven’t gon
are going had been went have been
are going had been went have bee
went; didn’t go have gone; haven’t gone went; haven’t gone went ; hadn’t gone
湘公网安备 43130202000226号