The manager of the company told us that very little ________ was made of the waste material in the past.

I thought she must be from Shandong Province because she spoke with a strong Shandong _________.

We should make a careful study of his____.

. To our ______, the result of the experiment is much better than we expected.

There is a 20 minute parking _____ here, so we must get back to the car very quickly.