Printing ______ greatly at the beginning of the 11th century.
A: will be developed
B: has been developed
C: is developed
D: was developed
1.51______A. developedB. discoveredC. tookD. fostered
2.Printing ______ greatly at the beginning of the 11th century.A: has been developedB: will be developedC: was developedD: is developed
3.PrintDocument类类属于System.Drawing.Printing名字空间。()
4.As he had a science degree and varied experience in ()A. transportationB. engineeringC. nursingD. printing
第1题:
47___.
A.developed
B.disappeared
C.changed
D.arrived
第2题:
第3题:
第4题:
第5题: