Rather than ___ time playing cards as usual,I devote every effort to ___ an ad.A waste ;make B wasting ;making

问题描述:

Rather than ___ time playing cards as usual,I devote every effort to ___ an ad.
A waste ;make B wasting ;making

选的是B
rather than 通常跟的是平行结构
后面的devote to doing,所以前面也要doing