We were told that we should follow the main road ________ we reached the central railway station．

1. A.
   whenever
2. B.
   until
3. C.
   while
4. D.
   wherever

We were told that we should follow the main road__________we reached the central railway station .

A.whenever   B.until    C.while   D.wherever

We were told that we should follow the main road ___ we reached the central railway station.

    A. whenever      B. until          C. while         D. wherever

We were told that we should follow the main road__________ we reached the central railway station.

A. whenever　　　                                          B. until　　　　          

C. while　　　　                                            D. wherever

We were told that we should follow the main road         we reached the central railway station .

A．whenever                  B．until                   C．while                  D．wherever

We were told that we should follow the main road ____ we reached the central railway station.

A.whenever 　　　　　　　　 B. until 　　　　　　　　　　 C. while 　　　　　　　　　　　　　 D. wherever

We were told that we should follow the main road ___ we reached the central railway station.

We were told that we should follow the main road ________ we reached the central railway station.

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