根据汉语意思完成下列句子。
1. 他参加了昨天的歌唱比赛并获得了一等奖。
He _______ _______ in yesterday's singing competition and won the first prize.
2. 学好英语是有必要的。
_______ _______ to learn English well.
3. 这个男孩年龄太小了不能自己穿衣服。
The boy is _______ young _______ dress himself.
4. 汤姆和他哥哥一样擅长数学。
Tom is as _______ _______ math as his brother.
5. 凯特每天睡觉超出十小时。
Kate sleeps _______ _______ ten hours every day.