76. Adventure allows the __________(意想不到的) to happen to us.
77. _________(暴露) to the cold wind left my lips feeling dry.
78. Owing to the heavy rain, the tennis match was __________(取消).
79. We should ask for __________(允许) to get into the lab in our school.
80. After 3 hours of waiting for the train, our p__________ was finally exhausted.
81. The football player is hoping to be t__________ to another team soon.
