Nobody knows exactly how many years it will be ____the Chinese football team enters the final stage of the World cup.

A. when    B. for   C. before   d. until

Nobody knows exactly how many years it will be________the Chinese football team enters the final stage of the World Cup.

A．when B．for

C．before D．until

Nobody knows exactly how many years it will be ________ the Chinese football team enters the final stage of the World Cup.

1. A.
   when
2. B.
   for
3. C.
   before
4. D.
   until

Nobody knows exactly how many years it will be_______________the Chinese football team enters the final stage of the World Cup．

A．when                      B．for                         C．before                    D．until

 Nobody knows exactly how many years it will be _____ the Chinese football team enters the final stage of the World Cup.

   A. when                  B. after                         C. before               D. until

 Though Guangzhou Evergrande(广州恒大) is the first Chinese club competing at the Club World Cup, nobody knows exactly how many years it will be __________ the Chinese football team enters the final stage of the World Cup.

A. when                         B. since                  C. before                  D. until

 Though Guangzhou Evergrande(广州恒大) is the first Chinese club competing at the Club World Cup, nobody knows exactly how many years it will be __________ the Chinese football team enters the final stage of the World Cup.

A. when                         B. since                  C. before                  D. until