—Have you got your exam papers? —Not yet. I guess they _____ at this moment. 
#103131
A
are being graded
B
are grading
C
have graded
D
have been graded
推荐题目
Do let your mother know the truth. She seems to _______ everything.
#101018
A
have told
B
be told
C
have been told
D
being told
This article is well written because special attention ______ to the choice of words nod style of writing.
#104891
A
had been paid
B
has been paid
C
will be paid
D
will have been paid
.Although it         in the desert most of the year, people still live there.
#102773
A
doesn’t rain
B
didn’t rain
C
hasn’t rained
D
hadn’t rained