Chuyên đề 2: Thì và sự hòa hợp của thì
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All the preparations for the party will have been made _______. A. before the guests will come B. as soon as the guests had come C. once the guests came D. by the time the guests come

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All the preparations for the party will have been made _______.

before the guests will come

as soon as the guests had come

once the guests came

by the time the guests come

Giải thích

Chọn D