It is important----.
It is important ____
()important information it is!
It is important----.
it is very important
it is important ____ me
It is Very important __us__ it.
How important information it is!还是What important information
_____ important piece of advice it is!
it is very important to people
it is important to learn English
It is important ______us to learn English.
用it is important to do造句