________ for a whole night, we still couldn't agree on when to start and where to go for the holiday.

A．Discussed B．Having discussed

C．Discussing D．Being discussed

Every morning Jack's wife will stand before the mirror, ________ carefully until she has to go to work.

A．dressed B．dressing

C．to dress D．having dressed

Our waste recycling project ________ a lot of investigation and paperwork had been done by the end of last term.

A．involved B．to involve

C．being involved D．involving

During the flood many students volunteered ________ through the weekend, giving out food and water for the victims.

A．working B．to work

C．to have worked D．having worked

________ that the Youth Olympic Games might be delayed due to severe air pollution, our government has made a promise to Jacques Rogge that they will spare no effort to settle the problem.

A．Warned B．Having warned

C．Warning D．Being warned

A modern stadium in that new town, ________ soon, will be an ideal place for people to have all kinds of sports in.

A．completed B．to be completed

C．being completed D．to have been completed

To some people, “spiritual health” is a very abstract concept, ________ many unexplainable elements.

A．contained B．having contained

C．being contained D．containing

I just couldn't understand the former mayor ________ the money raised for children in poor areas.

A．taking B．to take

C．being taken D．to be taken

________ her leg the last time, Brenda decided not to go on the school skiing trip this year.

A．Breaking B．Broken

C．To break D．Having broken

________ the instructions very carefully when filling in the form.

A．Following B．To follow

C．Follow D．Followed