The old professor told us that every part of the materials should be made use of _________the station.
26. She said she would spend her holiday ___ Beijing.
25. Whenever I go to Beijing, ____ is quite frequent, I will go to visit the Great Wall.
22. The two boys fought and fought until one ______.
He will _____ our class to sing at the school singing contest.
33. —________ she come to see you today?— Of course, please. And I’d rather she ________ me the truth.