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
I don't really work here; I ____ until the new secretary arrives.
#104181
A
just help out
B
have just helped out
C
am just helping out
D
will just help out
—What do you think of the movie? —It’s fantastic. The only pity is that I ______ the beginning of it.
#104853
A
missed
B
had missed
C
miss
D
would miss
—Did you ring her last night?—Yes, I her, but she wasn’t at home.
#103560
A
really ring
B
did ring
C
did rang
D
do ring
—Has Sam finished his homework today?—I have no idea. He ________ it this morning.
#104746
A
did
B
has done
C
was doing
D
had done
All morning as she waited for the medical report from the doctor, her nervousness ________.
#104784
A
has grown
B
is growing
C
grew
D
had grown