It has been proved _____ eating vegetables in childhood helps to protect you against serious illnesses in later life. [ ]

Always doing the same thing is really very_____ .

It is said that Chen Shuibian is ________ to flee from Taiwan because of the campaign against him.[ ]

These books are for students ____ mother language is not English.

I’ve got the final Harry Potter book.— You will love it. I ____it twice already.