The rate of racial progress varies in different areas of the country, but in the past ten years _________ more improvement.
#101835
A
there is
B
it is
C
there have been
D
there has been
推荐题目
—Ken, why do you look so tired? —I _______ myself to the climate since I came here.
#101471
A
didn’t adapt
B
haven’t adapted
C
don’t adapt
D
hadn’t adapted
I can guess you were in a hurry. You ______ your sweater inside out.
#104274
A
had worn
B
wore
C
were wearing
D
are wearing
He would never have got the job, _____ for the fact that his father had great influence over the company．
#103506
A
had it not been
B
it had not been
C
it were no
D
were it not
—Has your father returned from Africa yet?—Yes,but he _______ here for only three days before his company sent him to Australia.
#104072
A
was
B
has been
C
will be
D
would be