Everyone______that computer is helpful.

Charles was alone at home，with _____ looking after him.

We had to be patient because it＿＿＿some time ＿＿＿we got the full results. 

---What can I do for you?---I am looking for a birthday gift for my sister, _______at a proper price but fashionable.

The two economic reports were delivered by our president at the board last Monday and ______was very instructive