There ________ some tomatoes and milk in the box, but now there aren't any.
#43805
A
is
B
were
C
was
D
have
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Traditional folk arts of Tianjin like paper cutting    at the culture show. 
#85901
A
are exhibiting
B
is exhibiting
C
are being exhibited
D
is being exhibited
As we all know, smoking ___________ people’s health.
#85724
A
is harmful to
B
do harm fo
C
does harmful to
D
harm