There are two small rooms in the house, _____ serves as a kitchen
| A．the smaller of which | B．the smallest of which |
| C．the smaller of them | D．the smaller one |
______ by a greater demand of vegetables, farmers have built more green houses.
| A．Driven | B．Being driven | C．To drive | D．Having driven |
The crowd cheered wildly at the sight of liu xiang, who was reported _______ the world record in the 110-meter hurdle race.
| A．breaking | B．having broken | C．to have broken | D．to break |
—Come on, please give me some ideas about the project.
—Sorry. With so much work my mind, I almost break down.
| A．filled | B．filling | C．to fill | D．being filled |
The wild flowers looked like a soft orange blanket _____ the desert.
| A．covering | B．covered | C．cover | D．to cover |
_____ in thought completely, he didn’t even know what was going on.
| A．Losing | B．Lost | C．Having lost | D．Having been lost |