He is very worried _______ his new job because he...
Câu hỏi: He is very worried _______ his new job because he is not quite prepared _______ working.
A on / over
B to / off
C about / for
D in / at
Câu hỏi trên thuộc đề trắc nghiệm
- Unit 8 - tiếng Anh 12 (có lời giải chi tiết)