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
—Would you like another sandwich?—Another sandwich? I _______ my first one yet.
#104574
A
haven’t had
B
hadn’t had
C
didn’t have
D
don’t have
All visitors to this village______ with kindness.
#101940
A
treat
B
are treated
C
are treating
D
had been treated
I'm tired out. I all afternoon and I don't seem to have finished anything.
#100550
A
shopped
B
have shopped
C
had shopped
D
have been shopping
Hurry up！Mark and Carol ________ us. (2013·北京，28)
#99436
A
expect
B
are expecting
C
have expected
D
will expect
Last night’s TV news said that by then exact evidence for the missing plane MH370 .
#99339
A
had not been found
B
had not found
C
has not been found
D
has not found