_______no doubt that a green campus plays an important role in the growth of students, both physically and mentally

Amazing! You wear slippers at work.— Don’t you know it’s a fashion?

You can make a complaint to the local government____you are happy with the way things are.

Sadly, ____ I remember was a beautiful lake two years ago is now a smelly wasteland.

My family are going to have a party to celebrate my grandpa’s ______birthday.