In our daily life, WeChat (微信) is really hot now. Many people express themselves, exchange__46__and send information by using WeChat.

There are a number of __47__ for WeChat to be popular. To begin with, WeChat is a cheap way of communication. It   __48__ down the cost made by phone calls. Next, WeChat is popular with many people. Its functions (功能) are widely loved by more and more people. What's more, convenience also makes it popular. It is available no matter where we are   __49__ we have a smart phone. __50__， it has problems. First of all, our personal   __51__ might be revealed when we use WeChat and we could be in danger. __52__， we may spend more time on WeChat instead of staying with our family or friends. __53__， the relationship between we and our families may become worse and worse. The last problem is that our attention might be drawn too much and that sometimes we may find it   __54__ to focus on our studies.

There is no   __55__ that WeChat will improve as time goes by. So let's have more fun with it. 

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