这句话为什么用when?My grandpa sowed the flower ...
问题描述：
这句话为什么用when?My grandpa sowed the flower ...
My grandpa sowed the flower seeds in the garden______it was the best time for them to grow
答
when it was the best time for them to grow
因为句子中有BEST TIME,是说最好的时间,所以用WHEN,前后一致吧