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-----They used to be good friends, but now they are like strangers. ----- How _____ this ______?
#104151
A
were; come about
B
did; come about
C
were; taken place
D
were; happened
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Who can bear _____ so many times?
#101515
A
laugh
B
laugh at
C
being laughed
D
being laughed at
According to a report, cigarette smoking____ in all indoor public places in China already.
#102291
A
will ban
B
has banned
C
will be banned
D
has been banned
This is the best dinner that I________.
#99168
A
enjoyed
B
have enjoyed
C
had enjoyed
D
enjoy
We are confident that the environment________by our further efforts to reduce pollution.                                                                (2013·辽宁，30)
#99433
A
had been improved
B
will be improved
C
is improved
D
was improved
 ----What do you think of the Chinese language today? ---- Quite popular. It __________ an important role in communicating with other countries. More and more foreign friends are learning Chinese.
#99895
A
plays
B
played
C
has played
D
will play