They considered___ a computer, which was considered ___ a great help in their work.
A.to buy;to be | B.buying;being |
C.to buy;being | D.buying;to be |
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They considered___ a computer, which was considered ___ a great help in their work.
A.to buy;to be | B.buying;being |
C.to buy;being | D.buying;to be |