— A computer is very popular and helpful .— I think so. It _______ in many different fields.
#36579
A
used
B
will use
C
is used
D
was used
推荐题目
I won’t leave my office until my work       .
#39977
A
finishes
B
will be finished
C
is finished
D
will finish
Thank you for      me with my English.
#40588
A
helping
B
help
C
helps
D
to help
 Three bridges ________ over the river five years ago.
#36293
A
built
B
build
C
were built
D
are built