—Is Pro. Smith giving the speech today?—It __________ be him. He is abroad right now.
________five minutes________ before the last train left, we arrived at the station.
________ around the Water Cube, we were then taken to see the Bird’s Nest for the 2008 Olympic Games.
________, but the idea of having to work more than ten hours a day without weekends discouraged me.
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.
________in a heavy traffic jam in a taxi while you are hurrying to the airport is quite an unpleasant experience.