Computers ____ in offices and homes since 1970s.
#100256
A
have been used
B
had been used
C
was used
D
has been used
推荐题目
If you ____ the chat room ten minutes ago, you ____ what we were talking about.
#103026
A
have joined; will know
B
would join; have known
C
should join; would know
D
had joined; would have known
On the ground _______ the man, his face as white as a sheet of paper.
#102914
A
lie
B
lied
C
lay
D
laid
—Will you attend the meeting this evening?—But I ________ told anything about it.
#104741
A
wasn’t
B
am not
C
haven’t been
D
won’t be
Wang, I hear that you ______ along the Mekong River. Have you got everything ready?
#100456
A
traveled
B
are traveling
C
have traveled
D
travel
--- How I regret making the stupid mistake!--- Yes. I your doing it another way at that time, but in vain.
#100439
A
have suggested
B
suggested
C
would suggest
D
had suggested