--- Can I help you, sir?---I’m afraid you can’t. I have my students’ papers________.
#66178
A
to be graded
B
graded
C
grade
D
to grade
推荐题目
 I _______ Beijing in a few days. Do you know when the earliest plane ________?
#64607
A
leaves; takes off
B
is leaving off; is taking off
C
am leaving for; takes off
D
leave; is taking off
Almost all of his time ______ experiments, he has no time to visit his parents.
#72219
A
devoted to do
B
devoted to doing
C
devoting to doing
D
is devoted to doing