The farmers ______(pick) apples when I saw them.
问题描述:
The farmers ______(pick) apples when I saw them.
答
were picking (由when I saw them当我看到他们的那一刻,得知,使用过去进行时)
The farmers ______(pick) apples when I saw them.
were picking (由when I saw them当我看到他们的那一刻,得知,使用过去进行时)