1.Those___developed hobbies never need to worry about what to do with their leisure hours.
A.that has B.that have C.whom D.who have
2.There are little tables___people may sit when they are not dancing.
A.in which B.on which C.which.D.that
3.They are not as permanent___the sayings of wise people are
A.as B.which C.that D./ 最好说下原因