Although the doctor may be able to diagnose a problem perfect, he still may not

Câu hỏi :

Mark the letter A, B, C, or D on your answer sheet to show the underlined part that needs correction.

A. to diagnose

B. perfect

C. be able

D. to which

* Đáp án

* Hướng dẫn giải

Đáp án là B.

Perfect -> perfectly 

Copyright © 2021 HOCTAP247