________ he could call the police, the thieves had run away with the suitcase, leaving him shocked and helpless.
| A．Before | B．Until |
| C．Because | D．Unless |
The computer game is designed for game lovers, young ones ______.
| A．in particular | B．in place | C．in return | D．in advance |
The gas in my car is ______. I must find a gas station to fill it up as soon as possible.
| A．trying out | B．letting out | C．running out | D．breaking out |
Messi, only 25, has won his ______ as one of the world’s greatest soccer player.
| A．reputation | B．achievement | C．contribution | D．civilization |
The “eat-up” campaign, ______ by Xu Zhijun and his three friends, has raised awareness of food waste all over the country.
| A．started | B．starting | C．to be started | D．to start |
I was about to inform you of the sudden change ______an unexpected visitor came.
| A．because | B．before | C．when | D．unless |