He was often seen _________ with charity work lastyear.

One of the most important questions they had toconsider was _______ of public health

The stories of Guo Mingyi are really moving. __________ he is the most moving and respectable man I have ever heard of.

Linda eats ________ rich food. She must change her diet.

He is one of the top students in our class, who score ____ average in most subjects