1．With all his attention focused (集中精力) on his experiment, he has no time to spend with his family.
2．When you drive out you should pay attention to traffic signals (信号)．
3．When we plan our vacation, mother often offers practical(实用的) suggestions.
4．What worries us is that this is the third time the electricity (电) has been cut off this week.
5．The children enjoyed the freedom (自由) of the school holidays.
6．The heating system here has an automatic (自动的) temperature control.
7．The food in this restaurant attracts a great many customers (顾客)．
8．It was so noisy (嘈杂的) outside that he couldn’t settle down to his reading.
