问题

A computer is very popular and helpful .— I think so. It _______ in many different fields.
A:used
B:will use
C:is used
D:was used
B:will use
C:is used
D:was used
正确答案是:
同类题型
youyour dictionary yet?—Yes, I , I it ten minutes ago.
He has been working since 7: ______ he is so tired out.
In ________ old society many young women died by so strange and cruel ________ custom.
is no possibility Bob can win the first prize in the match.
People _______ the southwest of China were in great need of water a couple of months ago. [ ]