pity! I _____ in London for threemore days, but something urgent needed to be dealt with back in Beijing.

What we really concern is _____ those orphans canrecover from the earthquake psychologically.

How much is the ticket to Central Park—A one-way ticket $40, and you can another $20 for around-ticket.

Yougoand ask Tom.Heknow the answer.

Miss Gao asked a question， but it was ___________that nobody could answer it.