how important it is 还是how important is it
How important information it is!还是What important information
how important it is to learn English.
How important it is _____ (save) water!
How important it is to careful with fire!(改错
How important a thing it is to keep our promise!
we show how important it is to keep learning .为什么important
How much you earn is not very important. It is how you earn
It is important ____
()important information it is!
It is important----.
it is very important
when we use metals it is important to know how they how they