Most people find that it will never be possible to give _____, long-term predictions of when andwhere serious quakes will strike.[ ]

____— I’m sorry, sir The price is fixed

_____ call him if you want to, but you _______,for he’ll surely come here soon.

Why we eat out when can easily cook ourselves at home?

d like to buy some good English reference books,but _______ was available from the bookstore, where I only found some Chineseones.