_____ people in the world are sending are receiving e-mails every day.
#77031
A
Million of
B
Many millions of
C
Several millions’
D
Several millions
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Unluckily, we missed the train. we    early.
#62750
A
must have set out
B
had set out
C
should have set out
D
set out
I was really busy these days, otherwise I _______ to your birthday party last night.
#62994
A
came
B
did come
C
should have come
D
would have come