I tried()the book in a few days, but actually I couldn't, just because of too much work for me.
- A、finish
 - B、finishing
 - C、to have finished
 - D、finished
 
正确答案:B
答案解析:有

微信扫一扫手机做题
I tried()the book in a few days, but actually I couldn't, just because of too much work for me.

微信扫一扫手机做题