By the time Sam got home from school, his brother...
Câu hỏi: By the time Sam got home from school, his brother __ all the cake.
A had eaten
B has been eating
C was eating
D have eaten
Câu hỏi trên thuộc đề trắc nghiệm
Đề thi thử THPT QG môn Anh Trường THPT Tiên Du 1 - Bắc Ninh - năm 2017 ( có lời giải chi tiết)