With the moonlight keeping them ________, the tourists climbed over the mountain without a guide.

A. approach   B. silence      C. secret     D. company

 With the moonlight keeping them ________, the tourists climbed over the mountain without a guide.

A. approach   B. silence      C. secret     D. company

With the moonlight keeping them ________, the tourists climbed over the mountain without a guide．

         A．approach        B．silence         C．secret           D．company

With the moonlight keeping them ________, the tourists climbed over the mountain without a guide．

1. A.
   approach
2. B.
   silence
3. C.
   secret
4. D.
   company

With the moonlight keeping them ________, the tourists climbed over the mountain without a guide．

       A．approach       B．silence        C．secret           D．company