46． _________ John failed to climb to the top of the mountain several times，he didn’t give up．

　 　A．Although　　 　 B．Because　　 　　 C．Whether　　 　 D．Unless

45．Susan finally became a popular singer after she practiced __________ for years．

　 　A．sing　　 　 　　　 B．to sing　　 　　　 C．singing 　　　　　 D．sang

44．The woman feels that she should let her son __________his own decision this time．

　 　A．makes　　 　　　 B．make　　 　　　 C．to make 　　　　 D．making

43．To everyone’s surprise，Alex _____ play chess very well when he was only four．

　　 A．might　　 　　　 B．should　　 　　　 C．would 　　　　　　 D．could

42．Many houses _______ in the big fire a few days ago．What a shame!

　 　A．were damaged　 B．damage　　 C．were damaging 　 D．damaged

41．He was still working on his project while other people ________ a rest．

　　 A．were having　　 B．are having　 C．will have　　 　　 D．have

40．I _____ you already that washing hands often will help prevent the A-H1Nl Flu．

　　 A．tell　　 　　 　　　 B．told　　 　 　　　 C．have told 　　　 D．am telling

39．When summer ________ ，some children will go to the seaside for fun．

　 　A．comes　　 　　　 B．came　　 　　　 C．will come 　　　 D．would come

38．The homemade ice-cream in this restaurant tastes _________. Would you like some?　

　　 A．softly　　 　　　 B．greatly　　 　　　 C．nice 　　　　 　　　 D．well

37．Thanks to the new inventions，our lives are much __________ than before．

　　 A．convenient　　 　　　　　　　　　　 B．more convenient

　　 C．most convenient 　　　　　 　　　 D．the most convenient