.(江苏卷28). The retired man donated most of his savings to the school damaged by the earthquake in Yushu,________ the students to return to their classrooms.
33.— Is it all right if I come at about 8.30 ? — No, I ________ the football match then.
32.He was very busy, and________he didn’t go to the party that night.
31.America was_________was first called “India” by Columbus.
30.It seems water___from the ceiling for some time . We’ll have to climb to the roof with a ladder.
29.To pass the exam, Li Hua had a busy week ______ to the radio and the tape.