問題詳情：
66. Please f_________ the toilet after you use it.
67. It's illegal to use the fire alarm except in case of e_________.
68. I was d_________ by the traffic and missed the train.
69. He is very p_________ -- always arrives on time.
70. P_________, I think it’s a waste of time.
71. Officials have repeatedly _________ (否認) the existence of a secret report.
72. Nixon was _________(被捲入，涉及) in Watergate Scandal.
parking is allowed, but an _________ (例外) is made for disabled drivers.
74. I was scared and I don't mind _________ it.(承認)
75. The new machine is far more _________ (有效率的) than the old one.
【回答】
66. flush
67. emergency
68. delayed
69. punctual
70. Personally
71. denied
72. involved
73. exception
74. admitting
75. efficient
知識點：其他
題型：單詞拼寫
