The better _______ you have of words, the better chance you have of saying exactly what you mean.
#12628
A
contribution
B
command
C
master
D
power
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We hope your suggestion will ______ solving the problem. 
#12009
A
contribute to
B
relate to
C
attend to
D
devote to
 We _____ a word unless she asks us_____.
#12894
A
didn’t dare say; to
B
don’t dare to say; to
C
dared not say; to say
D
dare not to say; to say