CHUYÊN ĐỀ 5: ĐỘNG TỪ TÌNH THÁI (MODAL VERBS)

I don’t know why you're doing that now. You know it…………finished yesterday. A. should be B. must have been C. should have been D. ought to be

9/30

I don’t know why you're doing that now. You know it…………finished yesterday.

should be

must have been

should have been

ought to be

Giải thích

Chọn C