5.―Have you handed in your schoolwork yet?  ―Yes,I have. I guess it ____ now. 
#105340
A
has graded
B
is graded
C
is being graded
D
is grading
推荐题目
6.I have to go to work by taxi because my car ____at the garage. 
#105344
A
will be repaired
B
is repaired
C
is being repaired
D
has been repaired
How happy we are! The holiday we have been looking forward ________at last.
#105324
A
to has come
B
to have come
C
to having come
D
has come
Although the causes of cancer ____we do not yet have any practical way to prevent it.
#105341
A
are being uncovered
B
have been uncovering
C
are uncovering
D
have uncovered