Answer:
.....is not only difficult, but also dangerous.....
Explanation:
It´s not a good idea to ride a bike on a flat tire, instead you should buy a new flat and replace it immediately. If you insist in riding on around on a flat tire (this task will not be that easy to do), you probably will destroy your bike definitely and put yourself and others at serious risk of having an accident. ..... for both you and your bike."