Computers in offices and homes since 1970s．
#101154
A
have been used
B
had been used
C
was
D
has been used
推荐题目
—We all had a lot of fun at the barbecue yesterday. Pity you weren't there.—I really should have gone with you but I________on some remaining problems.
#99179
A
worked
B
was working
C
would work
D
would have worked
Frank, with his two sisters, ________ London by train which ________at 8:30 next morning.
#102382
A
is leaving for; will leave
B
are leaving for; leaves
C
is leaving for; leaves
D
will leave for; will leave
---- ___ leave at the end of this month. ---- I don’t think you should do that until ___ another job.
#100702
A
I’m going to; you’d found
B
I’m going to; you’ve found
C
I’ll; you’ll find
D
I’ll; you’d find
The witnesses(证人) of the accident said that the lorry _______ very fast at the crossroads when the accident happened.
#103449
A
is traveling
B
had travelled
C
was to travel
D
was travelling
The leaders from some of the countries suggested the nuclear weapon about Iran worth paying attention _______ at the international conference.
#103057
A
to be discussed
B
to being discussed
C
to discuss
D
to discussing