many years ago,only boys could go to school in my hometown.then schools decided to let girls (1)__.

问题描述:

many years ago,only boys could go to school in my hometown.then schools decided to let girls (1)__.
关于如上的英语完形填空谁有?

in就够了.
let...in字面意思是“让某人进来”,这里表示“向女孩们敞开大门”.