Then moment _________ Mary will always remember is _________ Mr. Black gave her a lot of valuable advice on how to improve her writing.
---They are quiet, aren’t they? --Yes. They are accustomed ______ at meals.
_______ I met him, I thought he was a serious man.
---I think he is taking an active part in social work. ----I agree with you ________.
—How long _like this? — Three weeks! It's normal that it rains without stopping these days of the year.
Today's English learners have a wide choice of dictionaries__to choose.