Tổng hợp đề thi Tiếng Anh có lời giải (Đề số 10)

Not until darkness fell ______ he hadn’t done half of his work

18/64

Not until darkness fell ______ he hadn’t done half of his work

that he realized

that he didn’t realize

did he realize

didn’t he realize

Giải thích

Đáp án : C

Đảo ngữ với Not until: “Not until….did/had + S + V…”