1.       _________ cease advertising, prices would be significantly reduced.

A. Were they to            B. Could they     

C. If they                     D. Would they

2. My suggestion is that she ________ more exercise, which will do a lot of good to her.

A. takes  B. must take  C. take  D. took

3. You don't have to be in such a hurry. I would rather you _____ on business first.

A. would go                B. will go        

C. went                      D. have gone

4. If only the committee _________ the regulations and put them into effect as soon as possible.

A. approve                 B. will approve    

 C. can approve            D. would approve