____ has been proved again and again that ____ is said in the ads greatly affects people’s impression of the products.

He ____ busy then; otherwise, I believe, he would have given you a hand

Sydney promised her that he would always do anything he could for her to ________ of her happiness.[ ]

It is said that the famous football star is now willing to play for_____ would pay him three million dollars a year

Six million, six hundred and sixty-six thousand, sixhundred and sixty-six is________.