1 He is able to swim __the river 1over 2.above 3across 4 throught2 The boat is passing __the bridge1 under 2through 3across 4over3the sunlight came__the widows1out of 2 through 3over 4above需要原因,
问题描述：
1 He is able to swim __the river 1over 2.above 3across 4 throught
2 The boat is passing __the bridge
1 under 2through 3across 4over
3the sunlight came__the widows
1out of 2 through 3over 4above
需要原因,
答
1.across swim across 横渡
2.over pass over the bridge 过桥
3.through 阳光穿过窗户 用through
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答
1，across 横穿（十字交叉型）
2，throuth 顺流/逆流通过
3，through穿过。
over 在----上面 above在----上面 out of 在----外面
答
1. across 横渡
2. under 底下通过
3.through. 透入
4.
答
第2题选3 第3题选2 穿过河是表面 阳光穿过玻璃是内部
答
over ,above 是指在上方,across 在从一边到另一边,through 是指在里面通过.所以1.across 游过河.2.under 在桥下面通过 3.through 穿过窗户
答
across 横穿
over从一侧到另一侧
through 从内部穿过