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
twice a year, whether it is a car or a bus or a truck, is the rule that every driver must obey in this city.
#92023
A
Examining
B
Examined
C
Being examined
D
Having been examined
Samuel Clemens , ______ Mark Twain , became a famous writer .
#96872
A
was known as
B
known as
C
was known for
D
known for
Bill suggested _____ a meeting on what to do for the Shanghai Expo during the vacation.
#98899
A
having held
B
to hold
C
holding
D
hold
________about the poor state of students’ physical fitness，the education ministry has urged local departments to increase spending on physical education.
#88555
A
Having concerned
B
To be concerned
C
Concerned
D
To be concerning
—Robert is indeed a wise man.—Oh, yes. How I have regretted ____ __his advice?
#95763
A
to take
B
taking
C
not to take
D
not taking