–Have you handed in your schoolwork yet? --Yes, I have. I guess it ________ now.
#99519
A
has graded
B
is graded
C
is being graded
D
is grading
推荐题目
Today’s temperature_______ between ten and thirty degrees.
#102750
A
change
B
ranges
C
is changed
D
is ranged
— _____ Mr Smith ____ this week?— No. He is on holiday.
#104677
A
Has; worked
B
Does; work
C
Did; work
D
Is; working
The manager _______ the workers how to improve the program since 9 a.m. 
#102020
A
has told
B
is telling
C
has been telling
D
will have told