几个高中语法题,求详解.
1.Thetraditionalapproachwithcomplexproblems____istobreakthemdownintosmaller.
atodeal
bindealing
cdealing
dtodealing
2.I'vealreadlytolduthat___I'mgoingtobuyit
Anomatterhowitcosts
Bhowevermuchitcosts
什么区别?