many trees are on __sides of the river.A each B both C all D every
问题描述:
many trees are on __sides of the river.A each B both C all D every
答
当然是B了 :)
side用了复数的形式,AD就不对了
C是指两个以上的"所有"
B专指有两者的
答
B
A用单数
答
b