______to leave early is rarely granted.A．AllowanceB．PermissionC．LeaveD．A permit

The custom is ____ to the region.A.uniqueB.strangeC.rareD.peculiar

The space shuttle【D1】______ made a rare night landing at the Kennedy Space Centre early on

To ______ is to save and protect, to leave what we ourselves enjoy in such good condition

Each ______ leave is different and unique to each other.A、personalB、individualC、separabl

He is a businessman, and goes to the concert on the rare _____.A.conditionB.situationC.

The text is written mainly for those_____________. A. who go to work early B. who want