Unless ________ to speak, you should remain silent at the conference.
#95045
A
invited
B
inviting
C
being invited
D
having invited
推荐题目
       his homework, he went out to meet his friends.
#92419
A
Having finished
B
finished
C
To be finished
D
To finish
The_______ moment we had been looking forward to_______ last week.
#94048
A
exciting;coming
B
exciting;came
C
excited;coming
D
excited;came
There were two teachers named John ________at our school, which made some of our students _____.
#98551
A
working; confused
B
worked; confusing
C
work; confused
D
to work; confusing