20.【2012届辽宁省大连市二模】32．A big company was built in our city in 2011, ______ a lot of job opportunities for the unemployed．
A．to create B．created C．creating D．having created
A. discussing; when B. to discuss; that C. discuss; what D. discussed; where
22.【2012届甘肃省西北师大附中高三诊断】14. The silence of the library is sometimes broken by a sudden cough or the sound of pages __________.
A. turning B. turned C. being turned D. having turned
