1．The surroundings in the ________ (餐厅) have also been improved.
答案：canteen
2．Today police began a ________ (宣传活动) to reduce road accidents.
答案：campaign
3．The car runs at an ________ (平均的) speed of 100 miles per hour.
答案：average
4．There's plenty of space for all the usual kitchen ________ (家用电器)．
答案：appliance
