---Look! The telephone is broken. Someone damaged it ________ purpose.
---That may be right. But perhaps it was broken _________ accident.

Tom kept quiet about the accident ________ lose his job .

The competition is fierce .No women or children are allowed to ________.

The building ________ will be used as our new library.

Sam always pronounces my name wrong.  Do you think he does it＿＿＿＿ ? 

This novel was concerned＿＿＿＿the Second World War, while most teenagers are more concerned＿＿＿ the hero’s love story. 　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　

The speech by the mayor of Shanghai before the final voting for EXPO 2010 is strongly impressed _______ my memory.

The manager and general engineer _____ very strict _____ his employees and ____ his work as well．

We have to give the users something new ________ what we’ve already offered, which is the only way to broaden the appeal of the website.

Young children are often advised not to spoil their appetite by eating sweets ________ the three meals.