—Have you handed in your school-work yet? —Yes, I have. I guess it          now.
#100106
A
has graded
B
is graded
C
is being graded
D
is grading
推荐题目
All the preparations for the task _________, and we’re ready to start.
#99042
A
complete
B
have completed
C
had been completed
D
have been completed
By the 1920s, Howard Carter ____ an explorer.
#99036
A
has become
B
had become
C
became
D
would become
(2014·日照模拟)It’s really a small world!I________we would meet here.
#99131
A
don’t think 
B
haven’t thought
C
didn’t think 
D
won’t think
Profits in his company went up by 25% last year,and _____ so far this year though the  financial situation is bad.
#104019
A
haven’t decreased
B
didn’t decrease
C
haven’t been decreased
D
weren’t decreased