32．World leaders at the G20 summit conference in London decided to$1．1trillion（万亿） to supp

问题补充：

32．World leaders at the G20 summit conference in London decided to$1．1trillion（万亿） to supporting world economic growth and trade．

A. collect

B. spend

C. devote

D. pay

答案：

A. collect

B. spend

(答案→)C. devote

D. pay

解析：考查动词用法辨析。devote…to doing sth．