句型转换。
1. Lily is going to Beijing by train .(就画线部分提问)
____________ ____________ Lily going to Beijing?
2. Kate's dress is very nice . (就画线部分提问)
____________ ____________ Kate's dress?
3. The elephant is the biggest animal on land. (就画线部分提问)
____________ ____________ the biggest animal on land?
4. I like pandas best. (就画线部分提问)
____________ ____________ do you like best?
5. Why not go by bike? (改为一个完整句)
Why ____________ ____________ go by bike?