题目

The teacher____(wait)for me for ten minutes when i__(get)to school.
Betty___(be)to the Great Wall several times since she ____(come)to China in 2002.The film____(begin)for half an hour.How long____he _____(borrow)the book?

提问时间：2020-10-31

答案

The teacher_had waited___(wait)for me for ten minutes when i_got_(get)to school.Betty_has been__(be)to the Great Wall several times since she came____(come)to China in 2002.The film__has begun__(begin...