1 . I insist ________ your taking immediate action to put this right. (白本P7) (用适当的词填空)

2 . They exchange ideas and feelings________ each other from time to time. (用适当的词填空)

3 . Only when we learn to exist _____ (和谐) nature can we stop being a threat to wildlife and to our planet. (根据汉语提示完成句子)

4 . To her ________ (satisfy), her students did very well this time. (所给词的适当形式填空)

5 . The guy next to me tried to talk to me the whole time so I couldn’t________ (集中注意力于) the experiment.(根据汉语提示完成句子)

6 . I am curious________ everything so I often ask questions. (用适当的词填空)

7 . I recommend that you talk to your friend about his behaviour and it is not unusual for teenagers of your generation to be addicted ________ computer games and the online world. (用适当的词填空)

9 . 这座纪念碑建立是为了纪念那些为国捐躯的英雄。
A monument was set up ________ ________ ________ the heroes who gave up their lives for the country.