— No, thanks I’m just looking around I’lllet you know if I want anything

He is businesslike and is often _____. I hope he will have more _____ at his business.

This midterm examination paper________two parts was so hard that few students could pass it.[ ]

r middle school students,some courses are compulsory, while others are ________

From his _______ eyes, I know nobody can _______ him to change his mind.