My father ____________ to work when he was y...
Câu hỏi: My father ____________ to work when he was younger.
A. used to walk
B. walks
C. is walking
D. was walking
Câu hỏi trên thuộc đề trắc nghiệm
Trắc nghiệm Tiếng Anh 9 mới Unit 4 Vocabulary and Grammar có đáp án !!