91.   Officials of the National Aeronautics and Space Administration withheld the exact time for security reasons.

92.   Peres would leave Tel Aviv around midday, the spokesman said, but the exact time of departure would not be announced.

93.   She could not provide an exact time for the take off, but said it would be before nightfall.

94.   She could not provide an exact time for the take off, but said it would be within a short period.

95.   That means that it will go into effect on Wednesday, but the exact time is undertain.

96.   The exact time the quake struck was not reported.

97.   The exact time was not given.

98.   The exact time of those incidents was also unclear, he said.

99.   The exact time of his departure from Rome is being kept secret for security reasons.

100.   The exact time of those incidents was unclear, he added.