8.Today's technique of paper production is due to Cai Lun,who _____ tree barks,old fishing nets and rags as raw materials.( )
A. | has used | B. | was using | C. | had used | D. | used |
7.--Have you read the novel the Call of the Wild by Jack London?
--Yes.I _______ it at college.( )
--Yes.I _______ it at college.( )
A. | read | B. | have read | C. | was reading | D. | would read |
6.The orchestra began and he played with such passion,power and purity,during _______ process we were experiencing lasting and spiritual inner peace.( )
0 141755 141763 141769 141773 141779 141781 141785 141791 141793 141799 141805 141809 141811 141815 141821 141823 141829 141833 141835 141839 141841 141845 141847 141849 141850 141851 141853 141854 141855 141857 141859 141863 141865 141869 141871 141875 141881 141883 141889 141893 141895 141899 141905 141911 141913 141919 141923 141925 141931 141935 141941 141949 151629
A. | whose | B. | that | C. | which | D. | its |