Then moment _________ Mary will always remember is _________ Mr.Black gave her a lot of valuable advice on how to improve her writing.
"Not all of the snakes were dangerous." this means _________.
It was not until midnight _________ his father came back.
________ she has made up her mind, nothing can change it.
It is always difficult being in a foreign country, _________ if you don’t speak the language.
He thought of a very good way to stop the car ________.