A great number of small power stations ________ (set up) in their county since liberation.

Janet ______ (get) up at 7:30 a.m. every day, so she is always late for school.

swim_______ (现在分词)

某活动小组购买了 4 个篮球和 5 个足球，一共花费了 466 元，其中篮球的单价比足球的单价多 4 元，求篮球的单价和足球的单价 .设篮球的单价为 x 元，足球的单价为 y 元，依题意，可列方程组为_____.

Those who’d like to visit the exhibition ________ (sign) your names here.

代数式√9-x有意义时，实数x的取值范围是 __________.

close________ (现在分词)

潭中鱼可百许头，__________。(柳宗元《小石潭记》 )

从今若许闲乘月，__________。(陆游《游山西村》)

My mother's work is _____ (make) our city safe.