Someoftheexercisesappeartobe

问题详情：

Some of the exercises appear to be________ones that you have done，but after taking________second look，you will find that they are different.

A．不填；the ­                       B．the；the

C．the；a                            D．the；不填

【回答】

C

知识点：冠词

题型：选择题