23.I can（）you that the cats are well cared for in our pet store, so you needn’t worry about them.

102.（ ）fire, all exits must be kept clear.

101.It is the ability to do the job（ ）matters not where you come from or what you are.

100.One of the difficult tasks of managers is（ ）how to engage their employees.

99.Reading is an experience quite different from watching TV; there are pictures（ ）in your mind instead of before your eyes.

98.The news reporters hurried to the airport, only（ ）the famous film stars had left.

97.（ ）a reply, he decided to write again.

96.（ ）the investigation, the committee published the report on the cause of the accident.

95.Most of the artists（ ）to the party were from America.

94.In this experiment, they are wakened several times during the night and asked to report what they（ ）.

93.You should have put the milk in the icebox; I expect it（ ）undrinkable by now.