—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
---Remember the first time we met, Mary? ---Sure.You ______ in the supermarket.
#103848
A
had shopped
B
have shopped
C
were shopping
D
shopped
If it was fresh and ________, then the ship was close to land.
#103256
A
smelling strong
B
smelled strongly
C
smelled strong
D
smelling strongly
The car___much money.
#103738
A
not cost
B
not have cost
C
isn’t cost
D
didn’t cost