填空题

What is important for young people to know when talking with strangers online
Talking with strangers online can be（）.

【参考答案】

dangerous

<上一题目录下一题>

热门试题

填空题

While (study)（）at college, he got to know the professor and learned a lot from him.

填空题

Communication via eye contact seems to be (particular)（）important in some cases.