—Look! Someone ________ the floor.—Well, it wasn't me. I went shopping just now.
#63763
A
had swept
B
has swept
C
was sweeping
D
is sweeping
推荐题目
I have to see the doctor because I ________ a lot lately.
#63773
A
have been coughing
B
had coughed
C
coughed
D
cough
—Why did you come by bus?---My car broke down yesterday evening and I ____ it repaired.
#63789
A
didn’t have
B
don’t have
C
won’t have
D
haven’t had
—Why,Jack,you look so tired!—Well,I ________ the house and I must finish the work tomorrow.
#63774
A
was painting
B
will be painting
C
have painted
D
have been painting
 It’s reported that in the past 50 years around 80 percent of Beijing’s courtyard houses ______.
#63767
A
had wiped out
B
have wiped out 
C
have been wiped out 
D
had been wiped out