______ next year, the host country will have improved the ...

★ Adverbial Clauses

______ next year, the host country will have improved the infrastructure condition.

A. Until the time the sport event will begin

B. When the sport event is beginning

C. Once the sport event was beginning

D. By the time the sport event begins

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______ to look for a job, he will have got the work permit.

A. While Tom was starting

B. Before Tom started

C. By the time Tom starts

D. After Tom had started