You surprise me! You ________ fall asleep in such an important meeting.
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.
53. Our music teacher often enjoyed _____ playing the violin in his spare time.
52. The struggle against sand storm will not end _____ victory unless we pay much attention to the balance of nature.