.—What are you busy with?—The conference___________in our city next week, as you know.
#97688
A
held
B
will be held
C
be holding
D
to be held
推荐题目
 I regret _____ you that we are unable to offer you a job.
#98307
A
informing
B
having informed
C
to inform
D
to informing
--Can I smoke here?  --Sorry, we don’t allow __________ here.
#92130
A
people smoke
B
to smoke
C
people smoking
D
smoking
He tried to avoid________my questions in class.
#88502
A
to answer
B
answering
C
to have answered
D
having answered