By the time he was dying, he made a testament that he would______his kidney(肾) to those who were in need of it.
58. It is said that a collection of paintings by David is _____ exhibition at the Museum.
57. I am sure you will excuse me _____ not telling you ahead of time.
56. In the college entrance examination, one of my students did very well _____ poor handwriting.
55. All the students envied him _____ having succeeded in the TOFEL test.
54. The football fans cheered their team _____ the entrance _____ the field.