He was overconfident. Therefore, he ruined our plan completely.

32/50

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.

It was his overconfidence ruined our plan completely.

He was overconfident, which ruined our plan completely.

That he was overconfidence ruined our plan completely.

It was because his overconfidence that ruined our plan completely.

Giải thích

Đáp án B

Câu gốc: Anh ấy quá tự tin. Do vậy anh ấy đã phá hỏng kế hoạch của chúng tôi hoàn toàn

Sử dụng đại từ quan hệ which thay thế cho ý nghĩa của cả câu đứng trước nó: Anh ấy quá tự tin, việc đó đã làm hỏng kế hoạch của chúng tôi hoàn toàn