I found this book on my desk when I came to my English class yesterday. It ______________ by one of the students in the earlier class.
Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.
I found this book on my desk when I came to my English class yesterday. It ______________ by one of the students in the earlier class.
A. was left
B. was leaving
C. have left
D. was leave