QQ is one of the most popular chat tools  among teenagers. We regard it as an important chat tool in our dailylife because it has some advantages. First, we can make lots of e-friends on QQ. It is easy to find the person who has the same interest as us, and we can talk with him or her happily. Second, we can also join a QQ group to find the information we need. For example, if we want to learn English well, we can choose a group with many English lovers in it. Third, we can also play games with our friends on QQ and always have fun. QQ brings us a lot of benefits , but it can also cause some problems. It's dangerous to tell strangers on QQ our real personal information like telephone number, address and ID number. If we spend too much time chatting online, it won't be good for our study and health. If we want to learn English well, we can   _  .
do shopping on QQ. always chat in Chinese on QQ. play games with our friends on QQ. join a QQ group with many English lovers in it.