问题
单项选择题
— Why does he look sad?—There are so many problems（）
A.remaining to settle
B.remained settling
C.remaining to be settled
D.remained to besettled
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
— Why does he look sad?—There are so many problems（）
A.remaining to settle
B.remained settling
C.remaining to be settled
D.remained to besettled
参考答案：C