Why do you think he was late again?

　　2．Many people thought that permission wouldn't be given, and some thought the project should never have been allowed.

　　很多人认为不应该允许，也有的认为工程本不应该批准。

　　[句式分析]　句中should have done表示"本应该做(而没有做)"，含有责备、惋惜的意思。

　　[佳句赏析]　昨晚，你本不应该向你父母撒谎。

　　You shouldn't have told lies to your parents last night.

考点1 concentrate on 全神贯注于，集中注意力于

　　[教材原句]

　　Besides protecting endangered species, the WWF concentrates on these key areas of global conservation ...

　　除了保护濒危物种外，世界野生动物基金会还把力量集中在全球保护的几个重点领域......

　　How can I concentrate on my study with so much noise outside?

　　外面那么吵，我怎么能集中精力学习呢？

　　concentrate/fix/focus one's attention/eyes on/upon (doing) sth.集中注意力于(做)某事

　　Everyone concentrated fixed/focused his/her attention/eyes on listening (listen) to the teacher.

　　大家都集中注意力听老师讲课。

　　[联想发散]

　　与concentrate/fix/focus on意义相近的短语有哪些？试补全下列短语。

　　①be absorbed in　　全神贯注于；热衷于

　　②be lost in 陷入......，被......所吸引

　　③be buried in 埋头于；专心于......

　　④be occupied in 忙于

　　⑤be devoted to 专心于；致力于，献身于

　　1．介词填空

　　①The boy was completely absorbed in the science fiction.

②He sat in the armchair, excited, with all his attention fixed on the World Cup match.