Internet shopping is really ____ when people are sure of its safety.
| A．taking off | B．taking up | C．setting up | D．setting off |
________five minutes________ before the last train left, we arrived at the station.
| A．There being; to go | B．It was; left | C．It had; left | D．There was; to go |
________ around the Water Cube, we were then taken to see the Bird’s Nest for the 2008 Olympic Games.
| A．Having shown | B．To be shown | C．Having been shown | D．To show |
________, but the idea of having to work more than ten hours a day without weekends discouraged me.
| A．Wanting to be a teacher | B．Although I wanted to be a teacher |
| C．I had wanted to be a teacher | D．To want to be a teacher |
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.
| A．how | B．why | C．where | D．which |
________in a heavy traffic jam in a taxi while you are hurrying to the airport is quite an unpleasant experience．
| A．Having caught | B．Being caught | C．Caught | D．Having being caught |