You must cut up ______ onion and ____ tomato first.

The 3G cellphone must be of great use and convenience to wants to get the information through the Internet quickly.

Only through _______ talks can webuild trust and only through cooperation can we create _______ win-win economicsituation.

The mother didn’t know who ________ for the brokenglass as it happened.

Have you all decided to attend the graduation party—Yes, _____we are busy these days, _____of us want to miss it.