It is _____to spend a great deal of money on such meaningless and useless things.
33. You can, __________ the sky is clear, see as far as the old temple on top of the mountain, but not today.
20. It was already 11 o’clock in the evening_____they arrived at the hotel.
19. I don’t want to see him. His ______ to me is always rather cold.
18. You may give this message to________is in the office.
17.Most hotels in Sanya were full during the Spring Festival, but finally we______find a room in a small guesthouse near the seaside.