Mark the letter A, B, C, or D to indicate the correct answer to each of the following sentences.

Câu hỏi

The traffic was terrible. By the time I got to the conference, the chairman _____ the opening speech.

Đáp án
D. had finished delivering

Câu hỏi thuộc Bài tập:

Unit 6. ENDANGERED SPECIES (Bài tập 2) - Tiếng Anh lớp 12