18.Each graduate standing on the playground,________was accompanied by a parent,would be awarded a diploma by the headmaster.( )
A. | which | B. | who | C. | as | D. | where |
17.Mr.While _____in our school for nearly forty years before he retired last month.( )
0 135623 135631 135637 135641 135647 135649 135653 135659 135661 135667 135673 135677 135679 135683 135689 135691 135697 135701 135703 135707 135709 135713 135715 135717 135718 135719 135721 135722 135723 135725 135727 135731 135733 135737 135739 135743 135749 135751 135757 135761 135763 135767 135773 135779 135781 135787 135791 135793 135799 135803 135809 135817 151629
A. | worked | B. | has worked | C. | had worked | D. | would work |