When she woke up, she realized that the things she had dreamt about could not ______ have happened.
--- The free gift doesn’t look good. --- _____, madam, but if you want good quality, you have to pay for it.
The book, ____ are true stories about great scientists of the 20th century, is well worth reading.
--- Well, a soup, a salad, and anything ____, sir? --- An apple pie, please.
Clare finally decided to leave the company she ____ for since she graduated from university.
---Please don’t forget to water the flowers during my absence. --- ______. You can depend on it.