Choose the correct answer to each of the following questions or choose the best rewritten sentences.

Câu hỏi

Not until______ himself serious ill.

A. did he complete the task he had found

B. had he completed the task did he find

C. he completed the task did he find

D. he had completed the task did he found

Đáp án
C. he completed the task did he find

Câu hỏi thuộc Bài tập:

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