按要求填空。
（1）It’s more than twenty thousand kilometres long. (划线提问)
_____ _____ is it?
（2）Chengdu has got_____ _____ fourteen _____ (超过1400万)people.
（3）I can tell you something about Beijing.(改为问句)
_____ you _____ me _____ about Beijing?
（4）请告诉我更多的关于TF-boys。
Please _____ _____ ____ ____ TF-boys!