11. In the budget for this building, they failed to __( 考虑价格增长的因素 ).
　　12. Only after I slapped him on the back ____( 他才发现我并高兴得叫起来 ).
　　13. I didn ' t even speak to him, ____( 更不用说与他讨论事情 ).
　　14. Some young people would rather try hard themselves to go through life than _____( 求助于他们的父母 ) with a sense of guilt.
　　15. The victim _____( 本来有机会活下来 ) if he had been taken to hospital in time .

　　答案详解：
　　11. consider/take into account the factor of increasing price.
　　12. did he notice me and shouted with happiness
　　13. let alone discuss with him
　　14. turn to their parents
　　15. would have survived