All bottles ________ before transportation. A. is froze B. were frozen C. will been frozen D. have frozen

All bottles ________ before transportation.

A. is froze   
B. were frozen     
C. will been frozen 
D. have frozen

Trả lời

Chọn đáp án B

Câu hỏi cùng chủ đề

Xem tất cả