They considered___ a computer, which was
题型:选择题
问题:
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
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