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
The manager ______ the workers how to improve the program since 9 am.
#102119
A
has told
B
is telling
C
has been telling
D
will have told
Lin Yi isn’t what it used to be．The last decade ______ great changes in the city images．
#102458
A
witnessed
B
was witnessed
C
has witnessed
D
had witnessed
I _____ his telephone number. Had I known it, I would have rung him up.
#100016
A
don’t known
B
didn’t know
C
hadn’t known
D
haven’t known
------Tony, are you listening to me ？------Sorry sir, I to understand what you said just now.
#100114
A
try
B
was trying
C
tried
D
have tried
—-Computers are becoming more and more important these years.—-Yes. Without them human life quite different.
#102706
A
would be
B
is
C
will be
D
would have been