【推荐1】如果汤姆读了这本小说，他就会知道它令人惊讶的结局了。
________, he would have known its surprising ending.

【推荐1】However, no one in modern times knew about the tomb or the terracotta statues until 1974, ________while they were digging a well!
然而，直到1974年几位农民打井时(无意)发现了这座陵墓，现代人才知道了这座皇陵利和兵马俑！

【推荐2】去年一月， 威尔逊先生遭遇了一场可怕的校园火灾，他的皮肤被严重烫伤。
Last January, Mr. Wilson _______   _______   _______a horrible campus fire and his skin was badly burnt.

【推荐3】他的话真是太对了!当我的英语老师走进教室时，我惊奇地发现他就是我之前遇到的那个人。
________________!When my English teacher stepped into the classroom, I ________________．