When the right opportunity , she’ll take it.
--- What about the English novel? --- It's not very difficult. There are only ________ new words in it.
How beautiful she sings! I've never heard ________.
Mr Smith always has ________ to tell us.
I'm afraid the headmaster is _________ busy to meet the visitors.
– Dad , when will you be free? You agreed to go to the seaside with me four days ago.-- I am sorry, Jean. But I think I will have a ______ holiday soon.