All the information except these two pieces _____ writing the article.
#42014
A
have been used to
B
has been used to
C
have been used for
D
has been used for
推荐题目
I didn't hear you because I    the news on the radio.
#42124
A
listen to
B
am listening to
C
listened to
D
was listening to
There are many people downstairs. What do you think _____? 
#40285
A
to happen
B
is happening
C
is happened
D
happened
 I__________ Lucy at the bank the other day.
#40180
A
see
B
saw
C
was seen
D
seeing
--- How cool the iPhone5s is !---In our shop it_____ very well now. Get one before it________out.
#36973
A
sells; sells
B
sells; is sold
C
is sold; is sold
D
is sold; sells
Look! Who ___________ on the blackboard?
#41779
A
writes
B
is writing
C
are writing
D
writing