Last month is September. This month is ______.

Faced with financial crisis, we think it is time to ____ the trip to Europe.

Not until ________ in the college entrance exam ________ that he had wasted much time using his mobile phone to surf the Internet and play games.

A Wechat(微信) is an invention ______ can help people talk to friends , share photos, ideas and feelings freely.

We arefriendly ______our new classmates.