Not until my mother got home________________that she had left the purse at the office.

Câu hỏi :

Choose the answer among A,B,C,D to complete each of the sentences below:

A. that she realized

B. she realized

C.  did she realize

D. did she realized

* Đáp án

C

* Hướng dẫn giải

Chọn C

Cấu trúc đảo ngữ với “not until”: “Not until….+did/had…+S+V+..”

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