56._________A. developedB. less developedC. undev

Printing ______ greatly at the beginning of the 11th century.A: has been developedB: wil

Printing ______ greatly at the beginning of the 11th century.A: will be developedB: has

65._________A. developedB. determinedC. discovere

57._________A. more deadlyB. deadlyC. less deadly

_________(52)A.much B.littleC.more D.less

64._________A.. muchB. manyC. moreD. less