He is a well-known singer, but he is ______an actor.

I know he hasn’t finished his homework, but ______, he has done his best. 

 Although the living standards of Chinese people have greatly improved, most poor families in China spend      50% of their income on food.

—How about your interview, Tom?—I’m confident that I have made a good______ .

Anyone providing information which leads to the recovery of the painting will be ________.