Mark the letter A, B, C, or D that indicates the correct answer to each of the following questions.

Câu hỏi

______ only three hours, I can hardly focus on my work.

A. Having slept

B. was slept

C. slept

D. sleeping

Đáp án
A. Having slept

Câu hỏi thuộc Bài tập:

E11- GS- Unit 5- Practice 2