Large quantities of polluted water_____ into the sea so that lots of fish died. 
#86296
A
is flowing
B
was flowing
C
are flowing
D
were flowing
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It’s 8 o’clock. My mother is reading a book. My sister and I _____.
#43617
A
is doing my homework
B
am doing my homework
C
is doing our homework
D
are doing our homework
Every means     , but none proved      .
#85757
A
have tried; a success
B
have been tried; successful
C
has tried; to be successful
D
has been tried; successful