7.　　　 You must try to ________ your mind _________ work and study.

6.　　　 ___________, he didn’t notice me when I came in.

5.　　　 The car accident _____________________ his death.

4.　　　 On your ________ at the hotel, please wait for further instructions.

3.　　　 It’s a ________ to treat animals like that.

2.　　　 Don’t _______ me by being late again.

1.　　　 It is _______ to carry guns without permission.

10．这对母子俩人的未来有极大影响。

　 This had a great ______ ______ the future of ______ mother and son.

Ⅴ用表格中的词或词组完成下列句子。

9．专家们已经评估了这条河流并且正在致力于找到可能解决许多难题的方法。

　 Experts have assessed the river and are now trying to _____ ____ possible _______ __ it.

8．公园里严禁采花。

　 ________ flowers in the park _____ _________.