汉译英。
1. 她稍微比我外向些。  
    She's a little __________ __________ than me.
2. 刘莹不如她妹妹的体育好。    
    Liu Ying isn't __________ good at sports __________ her sister.
3. 明天他前往美国。    
    He __________ __________ __________ America tomorrow.
4. 蒂娜擅长滑冰。  
    Tina __________ __________ __________ skating.
5. 乘火车去大连需要多长时间？    
    __________ __________ __________ __________ __________ to Dalian by train?