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 Internet connection for the entire area _________ when there was a sudden power cut yesterday.
#102345
A
lost
B
was lost
C
had lost
D
had been lost
Japan’s economy _______ in the past twenty years. No one knows how long it ______ before it regains its increase.
#100253
A
has been declining; will be
B
has declined; would be
C
had been in decline; would take
D
was on the decline; will take
．—Wow! And what does your brother do? —He’s a painter．He ______ in France this month．He has an exhibition there．
#103842
A
works
B
worked
C
has worked
D
is working
What do you imagine _____ him from going?
#104383
A
to prevent
B
preventing
C
to have prevented
D
prevented
Many facts proved that long before Columbus ________ America, Chinese had visited it.
#103829
A
noticed
B
uncovered
C
discovered
D
arrived