They crossed the river___ boat里的横线怎么填?填by,还是take,还是on?
问题描述：
They crossed the river___ boat里的横线怎么填?填by,还是take,还是on?
答
by boat 固定搭配
答
填by,不能填take，已经有动词了
答
" They crossed the river (by) boat."
“他们乘船渡河.”
by 表示方式.比如说by bike 骑自行车； by air 坐飞机.
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