If a student takes a course on Computer Science, it will take him four years doing

Câu hỏi :

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

A. If

B. takes a course

C. take

D. doing

* Đáp án

D

* Hướng dẫn giải

Đáp án D

Doing => to do

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