The bridge is so important to the people here that once ________ it must be carried out without delay.

   A. designs         B. having designed     C. designing       D. designed

The bridge is so important to the people here that once ________ it must be carried out without delay.

1. A.
   designs
2. B.
   having designed
3. C.
   designing
4. D.
   designed

The bridge is so important to the people here that once ________ it must be carried out without delay.

   A. designs         B. having designed     C. designing       D. designed

The bridge is so important to the people here that once ________ it must be carried out without delay.

   A. designs         B. having designed     C. designing       D. designed

The bridge is so important to the people here that once ________ it must be carried out without delay.

   A. designs         B. having designed     C. designing       D. designed