After the patients went into the office,__working. 
#83891
A
only a doctor did they see
B
only a doctor saw they
C
only a doctor they saw
D
only a doctor had they seen
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Hardly _______________ when we were told to stop.
#83099
A
did we begin
B
had we begun
C
were we beginning
D
were we to begin
Between the two mounts___and they decide to build a ropeway(索道). 
#83915
A
lies a very deep valley
B
does a very deep valley lie
C
a very deep valley lies
D
a very deep valley lays
It was announced that only when the fire was under control _______ permitted to return to their homes.
#81569
A
would villagers be
B
villagers would be
C
should villagers be
D
villagers should be
Maybe you have been to many countries, but nowhere else _______ a more beautiful palace.
#80345
A
can you find
B
you could find
C
you can find
D
could you find