15.With so many difficult problems , the manager felt worried all the time. A.settled B.having settled C.settling D.to settle 查看更多

 

题目列表(包括答案和解析)

With so many difficult problems ______, the manager felt worried all the time.

A.settled      B.having settled   C.settling    D.to settle

查看答案和解析>>


同步练习册答案