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

★ Adverbial Clauses

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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______ from his university, he will have stayed in Ho Chi Minh city for 4 years.

A. After he graduated

B. Before he graduates

C. As soon as he graduated

D. When he has graduated