I didn’t quite follow him because he explained the theory _____that is too abstract for me.
It is silly of me _____ all eggs in one basket. That is the worst mistake I have made.
_________ to give up smoking, he threw away his _______ cigarettes.
Nowadays, ______ number of people doing fitness training is on _______ increase.
I think full advantage is _______ of this technology to improve the quality of our products.
------ It seems that you have worked here for a long time.------ No. It was just a year ago ______ I started working here.