The number of people present at the meeting ________ about 1000, a large number of whom ________ experts from abroad. 
#86000
A
was; was
B
were; were
C
was; were
D
were; was
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She           a volleyball.
#43602
A
have
B
don’t have
C
doesn’t have
D
doesn’t has
All possible means ______. However, nothing can _____ his wife dying of lung cancer.
#85909
A
has tried; stop
B
have tried; keep
C
have been tried; prevent
D
has been tried; stop