.________ by the advances in technology, many farmers have set up wind farms on their land.
| A．Being encouraged | B．Encouraging |
| C．Encouraged | D．Having encouraged |
33．It was the first time that Mike______the piano at the concert hall and he hoped that his nervousness would go．
| A．played；unnoticed | B．had played；unnoticed |
| C．played；unnoticing | D．had played；unnoticing |
32．__________we get on well with a number of people，we are usually friends with only a few．
| A．While | B．Since | C．If | D．As long as |
31．____his membership card，Tony decided to make a phone call to check whether there was something wrong．
| A．Having not received | B．Not receiving |
| C．Not received | D．Not having received |
30．You can't expect them to______the job open for much longer— you’ll have to decide whether you want it or not．
| A．take | B．hold | C．let | D．Have |
29．How you feel about life and anything________depends on where you focus your attention．
| A．in advance | B．in short | C．in turn | D．in particular |