The findings of the research, _________ on a lot of experiments, are convincing.
#96102
A
to base
B
based
C
is based
D
basing
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My demand is that the information_______ in my report _____ to Mr. Brown without delay.
#93291
A
referred to, to be e-mailed
B
referring to ,e-mailed
C
referred to, be e-mailed
D
referring to, being e-mailed
He sent me an E-mail, _____ to get further information. 
#92831
A
hoped
B
hoping
C
to hope
D
hope