Computers in offices and homes since 1970s．
#99298
A
was
B
had been used
C
have been used
D
has been used
推荐题目
The living room is clean and tidy, with a dining table already for a meal to be cooked.
#102203
A
laid
B
laying
C
to lay
D
being laid
When you are at home，give a call to let me know you safely．
#100432
A
are arriving
B
have arrived
C
had arrived
D
will arrive
--- What is that wonderful smell? --- Our neighbor ________ for a party.
#99373
A
have prepared
B
is preparing
C
prepare
D
will prepare
—Mr. Gorden asked me to remind you of the meeting this afternoon. don’t you forget it!—Ok, I ____.
#101170
A
won’t
B
don’t
C
will
D
do
----Mary said she was tired of studying English .----It isn’t like her ______like that .
#104585
A
to say anything
B
to have said anything
C
have said something
D
say anything