Unless ___ to speak, you should remain silent at the conference.
#93760
A
invited
B
inviting
C
being invited
D
having invited
推荐题目
---Can I smoke here ? ----Sorry, we don’t allow people _________ here.
#92299
A
smoking
B
smoke
C
to smoke
D
smoked
____________ at college for 3 years, she knows the place very well.
#96972
A
To have studied
B
Having studied
C
Studying
D
Studied
Tom has been out of work for two years, so he has difficulty______.
#97290
A
earning living
B
earning his living
C
to earn livings
D
to earn his living
Many people in China have never dreamed of _______for them to learn to drive after their retirement.
#90309
A
being a chance
B
there’s a chance
C
there be a chance
D
there being a chance
Does your new secretary ____ short hand?
#97549
A
know to take
B
know how to take
C
know how take
D
know how taking