r relief, the European company expressed their ____ to co-operate with us.

Did you go to the cinema to see 3D Titanic last night—– No, I ________ go to the cinema. The tickets are too expensive.

How long have you ______ your gold ring?[ ]

It was in the lab ______ was taken charge of by Professor Harris _______ they did the experiment.

They demanded that the books________ to the school library at once.