5 When and where to go _____
A have not decided B have not been decided C has not decided D has not been decided

The price ____ , but I doubt whether it will remain so．

14．--- I ______ to be here on time.
--- But you ______ late again.

— Did you attend Tom’s birthday party at the Grand Hotel?
— I wish I _______. I _______ an English lecture in the school hall.

After the traffic accident, no one______ except a few people who were badly injured.

--- The accident might not have happened , had we been more careful .
--- But we _______.

Being popular with customers , the products _____ well and ____ in two months .

The young man insisted that he _______ nothing wrong and ________ free．

9.  It         long before we         the result of the experiment.

7.  I          when there came a knock at the door.