． Knowledge of English is a must in international trade.
| A．the | B．/ | C．A | D．An |
My sister studied hard at school when she was young, which contributes ________ her success in her career.
| A．with | B．for | C．from | D．to |
China ________ the agreement and there are now 31 Chinese sites ________ the
World Heritage list.
| A．wrote；on | B．signed；on |
| C．agreed；in | D．preserved；in |
A meeting of the World Heritage Committee agreed ________ a list of places in the world which had ________ cultural importance or unique natural beauty.
| A．on，stand out | B．with；standing |
| C．on；outstanding | D．to；outstanding |
The city ________ 6 billion yuan to preserve the character of the old town, mainly to divert water from the Taihu Lake and the Yangtze River to supply the waterway systems of the old town.
| A．invested | B．proved | C．invaded | D．invented |
He said he would ________ me to Mr.Li as his assistant.
| A．comment | B．suggest |
| C．command | D．recommend |