The preparations_______by the time the guests_______.
A.had been finished/ arrived
B. have finished
C. had finished/ were arriving
D. had been finished/ were arrived
Giải bởi Vietjack
KEY: A
Giải thích: cấu trúc QKHT by the time QKD: hành động xảy ra trước một hành động khác trong quá khứ.
Dịch: Những sự chuẩn bị đã được hoàn thành trước khi khách tới.
Hardly any of the paintings at the gallery were for sale, _____?
English has become a second language in countries like India, Nigeria or Singapore where_______ for administration, broadcasting and education.
