It’s a complicated film,and some people may find it hard to ( ) to plot. ( 章节：4 难度：2)
- A、keep up
- B、keep up with
- C、keep down with
- D、keep with
正确答案:B
答案解析:有
微信扫一扫手机做题
做题室题库
做题室题库
It’s a complicated film,and some people may find it hard to ( ) to plot. ( 章节：4 难度：2)
微信扫一扫手机做题