A．complete B．except C．although D．history E．borrow F．straight

51．We lost the game，　　 everyone played well．

52．Students can　　 books from the library if they need．

53．The girl who has　　 hair and wears glasses is Emily．

54．My desk﹣mate learns　　 well while I'm good at English．

55．Most of the buildings in the town are modern　　 the church．

56．Sarah found it impossible to　　 this paper cutting in a short time．