—What about the price of these washing machines?—They are equal in price to, if not cheaper than,________ at the other shops in the street.
I am sure _______ you said is true.
The old man told us _______ and ________.
---Do you know when the World Cup ________ next week? --- Next Friday. When it ________, I will ring you.
--- Today or tomorrow? --- What are you talking about? --- We are talking about _______ to give a talk on WTO.
I wonder _________.