【C16】A．gapsB．ceasesC．intervalsD．distances

A． timeB． rangeC． distanceD． space

【C8】A．circlesB．cyclesC．intervalsD．periods

According to the passage,A．the distance between people can be fixed.B．the distance kept be

【C7】A．rangeB．boundaryC．scopeD．distance

【C6】A．distancesB．gapsC．intervalsD．length

【C9】A．roomB．freedomC．problemD．distance