A. had been finished / arrived
B. have finished / arrived
C. had finished / were arriving
D. have been finished / were arrived
Công thức: S + had +been + been + Ved/V3 by the time +S +Ved/V2
Tạm dịch: Mọi sự chuẩn bị đã kết thúc trước khi vị khách đến.
Đáp án cần chọn là: A
Although he has not got necessary experience, he used to take a _______in business administration.
To Vietnamese students, the _______ examination to university is verydifficult
In England, schooling is compulsory _______ all children from the age of5 to 6.