我们青少年之所以要明辨是非善恶,是因为①我们在社会生活中会遇到一些复杂的社会现象,并需要做出各种选择②只有明辨是非善恶,才能把握好自己生活的方向,实现积极向上的人生目标③只要明辨是非善恶,就能获得成功④我们辨别是非能力不强,容易误入歧途,受到伤害
--- Do you know much about the city? --- Yes, I ___________ there three times.
Why not ______ your teacher for advice when you don’t know ______ the problems?
--- Didn’t your brother ________ go to school by bike? --- Yes, he did. But he ________ walking to school now.
You don’t know _____ I want to see you again. It’s a year since I last saw you.
With the help of the Internet, news can _______ every corner of the world.