根据音标拼写单词，使句子意思完整正确。

1. He [spendz] _____ too much time playing with them.

2. It's my first time to  _____ [ju:z] the computer

3. I usually go to bed at 9:00 but I can't go to _____ [sli:p] at once

4. He is busy _____ ['pr?ktisi?] organizing the activities

5. They are good _____ ['swim?z]