题目内容：

Like the native Chinese, some foreigners have started to join their Chinese friends 1. sending or grabbing virtual red packets during the Spring Festival and other special 2. (occasion).  Attracted by the unique way of interacting with people as well as the culture that gave birth to the phenomenon, many foreigners say competing with friends to grab red packets in 3. WeChat group can be a lot of fun.

Mattias Klement, 27, a Swede who has been living in China for years, said more foreigners have started to take part in this 4. ( active) because of the popularity of WeChat wallet.

"I think it is 5. (main) because more and more places now allow paying with WeChat. It’s also fun to just involve 6. (you) in the culture of it," said Klement. Two years ago, when some friends 7. (send) him 5.20 or 8.88 yuan red packets, he had no clue about the 8. ( hide) meanings. Now, he is not only quite familiar with them 9. has also been used to sending some.

"It’s nice to be able to say ‘I love you’ with 5.20 yuan, I guess," he said, laughing." I also remember 10. (try) to tick some of my friends off by paying back 99.99 instead of 100 just for fun.”