The clothes made of animal fur look nice _____my mother.[ ]

.I was about to get on the bus __________my wife phoned me to back home at once.

Is John coming by train? —He should, but he ________ not. He likes driving his car.

Bill and his sister Sally enjoyed ________ at the dancing party.

Green economy offers a new model ________ people could both protect the climate and develop the economy, according to what Li said at the International Cooperative Conference on Green Economy and Climate Change.