--- Why was Professor Zhang unhappy recently? --- Because the theory he insisted on _____ wrong. A proved B proving C being proved D was proved
Smoking and drinking is harmful________our health.
Your story is perfect. I’ve never heard ____ before .
______you like to have dinner with me this evening?
. She’s pretty _______ with money. She wouldn’t give even a cent to help the poor child.
. It was not until 1920 _____ regular radio broadcast began.