We didn’t know you were in trouble at that time.       ,we would have given you a hand.

         A．However    B．Besides      C．Otherwise D．Anyway

Recent studies have shown that most US graduates receive cash as gifts, though the amount received ______ from person to person．

         A．prefers        B．promotes            C．varies                 D．suffers

_____ about the safety of her son, John's mother looked upset．

         A．Concerning           B．Concerned              C．To concern              D．Concern

He came to a point _____ there was no more road to follow, and before him he could see nothing but a thick forest．

         A．that         B．what          C．which                  D．where

Only when he read the newspaper _____ the US President Obama would deliver a speech in his university．

         A．he knew                  B．he had known      

         C．had he known                   D．did he know

Leave it to me! I feel much more _____ about myself and my abilities these days．

         A．confident              B．energetic               C．generous              D．curious

Statistics show that men have _____ as women do for every mile they drive．

         A．serious accidents as twice many           B．twice as many serious accidents

         C．twice serious accidents as many           D．serious accidents as many twice

--I borrowed 10 dollars from Cathy, but she insisted that I had borrowed 15 dollars from her．

         --I _____ you the money．Why didn't you ask me?

         A．must lend                      B．could have lent  

         C．would lend               D．should have lent

All the football fans shouted and cheered so much that you could hardly hear _____ else．

         A．something             B．everything    C．anything               D．nothing

______ the rising rent prices in Wuhan can't compare with those in Beijing and Guangzhou, they still worry current college students．

         A．Even though                B．As though         

        C．In case                 D．As long as