CHỌN TỪ, CỤM THỪ THÍCH HỢP ĐỂ ĐIỀN HOÀN THÀNH CÂU SAU
33.
Chọn từ, cụm thừ thích hợp để điền hoàn thành câu sau:
When he ... at the station, his train already...
A. arrived/ left B. arrived/ had left C. had arrived/ left
D. had arrived/ left
33.
Chọn từ, cụm thừ thích hợp để điền hoàn thành câu sau:
When he ... at the station, his train already...
A. arrived/ left B. arrived/ had left C. had arrived/ left
D. had arrived/ left