根据句意及括号内的注释拼写单词。

1. Each of us will have a __________(one's own) computer in the future.

2. I was glad to __________ (to get or to be given sth.)a gift from my grandpa on Children's Day.

3. I was__________ (sleeping) when the UFO landed in front of my house.

4. She arrived in London on a cold morning. Three days__________ (at a time in the future),she found a

    job in a restaurant.

5. It's not only a chance but also a challenge for China to __________ (to become a member of a group)

    the WTO.