·Sth+happens+地点/时间，意为：某地/某时发生了某事

·happen v，表示“碰巧”，主语可以是人，后常跟动词不定式to,表示“碰巧……”.

·Sb+happens to do sth.

·go on发生，与take place同义

*take place意为“发生，举行，举办”，一般指非偶然性事件的“发生”，即这种事件的发生一定有某种原因或事先的安排。

例：Great changes have taken place in China.

翻译：一小时前发生了什么？？

1.expect v.期待，盼望，预期，后常接四种结构：

·expect+名词/代词，期待某事/某人，预计……可能发生。

I’m expecting Li Lin’s letter.

·expect to do sth.预计做某事

Lily expects to come back next week.

·expect sb.to do sth.期望某人做某事

I expect my mother to come back early.

·expect+从句预计……

I expected that I’ll come back next Monday.

7.serious a.严肃的，认真的。He is a serious man.

·be serious about sb/sth.对某人/某事当真

Peter is serious about Jenny.He wants to get married to her.

be serious about doing sth.对某事当真____He’s serious about selling his house.

·take sth.seriously认真对待某事动词不定式做宾语