Three fourths of the homework _________ today.
#102838
A
has done
B
has been done
C
have done
D
have been done
推荐题目
— You look tired.— Yes. I ___ non-stop until 8 o’clock this morning.
#102703
A
had worked
B
work
C
have worked
D
was working
Judy is going to marry the sailor she ____ in Rome last year.
#104016
A
meets
B
met
C
has met
D
would meet
I arrived late; I _____ the road to be so iey. 
#104993
A
wouldn’t expect
B
haven’t expected
C
hadn’t expected
D
wasn’t expecting