When asked by news reporters, the film star of stage and screen ________ that he would pay a visit to Europe next week.(2012· 山东岚山一中月考)

My sister studied hard at school when she was young, which contributes ________ her success in her career.

China ________ the agreement and there are now 31 Chinese sites ________ the
World Heritage list.

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.

He said he would ________ me to Mr.Li as his assistant.

  The school principal himself ________ a prize in English to the best student at the opening ceremony.

I ________my homework to make sure that nothing had been missed.

  I can________the house being untidy, but I hate it if it's not clean.(2011·全国)

We have the right to ________ our traditions, our heritage and our languages.

The lesson Mr Li gave just now was too difficult for the class to ________.