问题补充:
is to be done is to carry it out smoothly since the decision has been made.
A. What; how
B. Where; how
C. When; what
D. Where; what
答案:
(答案→)A. What; how
B. Where; how
C. When; what
D. Where; what
解析:考查从句,从句is to be done缺少宾语,所以选What,句子to carry it out smoothly不缺少成份,所以选how,句子意思“自从下定决心将要做什么是怎样顺利执行”,所以选A