The tour was the most extensive one of the band.

Her most extensive tour was in late 2005, which involved seven countries.

The 1969 conversion to the F-4 was the most extensive in the team's history.

The fraud appears to be the most extensive made public in China.

The construction of phase four will be by far the most extensive.

Education experts said the plan was the most extensive in the nation.

Nursing homes offer the most extensive care a person can get outside a hospital.

It has perhaps the county's most extensive officer training program.

The most extensive work of the club was in prison reform.

Spending at least $16 million so far, he has conducted what may go down as the most extensive television campaign ever in any state race.