33.It was the first time that Mike______the piano at the concert hall and he hoped that his nervousness would go .
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 _________.