The book cost me 12 yuan in all, postage __________.
You should be more careful _____ you make mistakes again.
----Father, you promised ! -----Well, _____. But it was you who didn’t keep your word first.
— Will you be able to finish your report today? — .
We sat on the dry grass our backs to the wall , chatting cheerfully.
It is not yet known how these huge stones were conveyed a distance of 380 kilometres 3 000 years ago.