A-A+
(Let's) not waste time on (matters of no impor
问题详情
(Let"s) not waste time on (matters of no important). We have other (vital) problems to (deal with).
A. Let"s
B. matters of no important
C. vital
D. deal with请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：B
of是介词，其后要用名词作宾语。改important为importance。
