there are lots of flowers on________sides of the river.这里是填both还是 each呢?最好有详解,
问题描述：
there are lots of flowers on________sides of the river.这里是填both还是 each呢?最好有详解,
答
填both因为sides前面应该是both: 下面两种都对!There are lots of flowers on both sides of the river.  ...