to be nearby=一个英语单词 to make sure of sth=一个单词 good; not expired=一个单词

题目

to be nearby=一个英语单词 to make sure of sth=一个单词 good; not expired=一个单词
to add electricity to a battery or money to a phone card=一个单词

答案

to be nearby = close
to make sure of sth = confirm
good; not expired = valid
to add electricity or money = recharge