They considered___ a computer, which was considered ___ a great help in their work.
#90810
A
to buy;to be
B
buying;being
C
to buy;being
D
buying;to be
推荐题目
 I saw him _____ behind the tree, thinking.
#98338
A
sat
B
seated
C
seating
D
seat
_______ several times, he still turned a deaf ear to the typhoon forecast. 
#90569
A
Being warned
B
Having warned
C
Having been warned
D
I’ve warned him
.Was it ______ Expo 2010 that made Shanghai the focus of the world then?
#96994
A
hosted
B
to be hosted
C
hosting
D
having hosted