一.正是你告诉我们,我们才知道如何处理这件事情.(横线里填不少于一个单词)Not until you told us did we know how to deal with this thing.二.根据首字母填词.We discovered(发现) the beach while we were sailing around the island . but we could not find it on the map.--绝对正确!
1什么意思2首字母呢