look!he is ____ the river A.swimming across B.swimming through
问题描述:
look!he is ____ the river A.swimming across B.swimming through
答
选 A
swim across the river 游过河
across 指从一边到另一边,横穿
through 指从内部穿过
祝你好运(*^__^*) 嘻嘻……