The president ordered that no time should be lost, and directed one of his high officials to __________ the matter in person.
| A．refer to | B．appeal to |
| C．contribute to | D．attend to |
Only when I put myself in their position ________ they were more miserable than me.
| A．I had known | B．had I known |
| C．I knew | D．did I know |
China added 50.9 million Internet users in 2012，________ the total to 564 million at the end of last year.
| A．brought | B．bringing |
| C．having brought | D．to bring |
French Foreign Minister Laurent Fabius on Monday ________ international support for his operation to help Mali quash Islamist rebels.
| A．called up | B．called for |
| C．called out | D．called in |
A nursing home in Tianjin has opened offering ________ the owners are describing as facilities as good as a fivestar hotel.
| A．which | B．how |
| C．what | D．that |
Don't spend time beating on a wall, ________ to change it into a door.
| A．hope | B．hoping |
| C．hoped | D．to hope |