Unless________ to speak, you should remain silent at the meeting. 
#94058
A
invited
B
inviting
C
being invited
D
having invited
推荐题目
Which do you enjoy        your weekend, swimming or fishing?
#90726
A
spending
B
being spent
C
spend
D
to spend
She had to lie to the company and ______ a man in order to get a job, ______ rather strange.
#96338
A
pretending as, looked
B
pretended to be, looking
C
pretending as, was looked
D
pretended to be, looked