—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
推荐题目
My study of biology has ______ much of my spare time, but it has given me a great deal of enjoyment.
#63787
A
taken off
B
taken down
C
taken up
D
taken away
Because of the bad weather, my mother ____ and lay in bed. She ______ for a week.
#63793
A
has been ill; was ill
B
fell ill; has fallen ill
C
fell ill; has been ill
D
fell ill; is ill
The house is dirty because it ________ since they moved out.
#63759
A
doesn't clean
B
isn't cleaned
C
hasn't cleaned
D
hasn't been cleaned
Barrack Obama __________ President of the United States since 2010.
#63757
A
became a
B
has become a
C
has turned
D
has been
— Alvin，are you coming with us?—I'd love to，but something unexpected ________.
#63769
A
has come up
B
was coming up
C
had come up
D
would come up