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The light will be thrown ______ the cause of cancer by research that is now in progress.
#27489
A
to
B
upon
C
in
D
for
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No potatoes for me—I’m _______ a diet. 
#27318
A
at
B
in
C
on
D
with
(2013·安徽，30)David is________animal fur, so he won't visit anyone who has cats or dogs in the house.
#25324
A
curious about
B
allergic to
C
satisfied with
D
fond of
It took a great deal of courage to admit that all their efforts had been ________.
#25114
A
in danger
B
in vain
C
in return
D
in turn
 She looks more beautiful _____yellow than _______red.
#28642
A
in; at
B
in; in
C
in; is dressed in
D
are dressed in; in
 The ship sailed _____ Xiamen _____ 30 miles an hour.
#27572
A
for, at
B
to, at
C
to, by
D
for, by