题干
This pair of shoes ____ very nice. I like ____ very much.
A：is; it
B：are; them
C：is; them
D：are; it
答案(点此获取答案解析）
C
This pair of shoes ____ very nice. I like ____ very much.
A：is; it
B：are; them
C：is; them
D：are; it
的单调递增区间是( )
