---The window is dirty.---I know. It ______ for ages and I’m considering giving the task to our children.
#100885
A
hasn’t cleaned
B
hasn’t been cleaned
C
wasn’t cleaned
D
didn’t clean
推荐题目
--- Do you think Mom and Dad late?--- No, Swiss Air is usually on time.
#100606
A
were
B
will be
C
would be
D
have been
In 1960, this was the longest bridge that __________.
#104497
A
was ever built
B
had ever built
C
has ever been built
D
had ever been built
The last few years ________ many natural disasters around the world, from drought to earthquake.
#102403
A
see
B
are seeing
C
have seen
D
saw
With the development of science,more new technology to the fields of IT.
#104546
A
has introduced
B
is being introduced
C
is introduced
D
was introduced
—How did you get in touch with Mrs.Green?—Well，it seems to me that you've forgotten ________ me her telephone number the other day.
#99580
A
to tell
B
have told
C
telling
D
being told