A river forms the __________ (分界线) between the land and mine.
Few of the early books have been __________ (保存).
The outline of the trees __________ (清晰) as it grew lighter.
A lot of __________ (分析) of the accident showed what had happened.
He is very __________ (有条理的) in all he does.
The other day the crowd a__________ his wonderful performance for five minutes.
The money was collected for a s__________ purpose.
You will have to be p__________ with my mother —she is rather deaf.
It is impossible to i__________ the man among so many people.
He was given a__________ opportunity to express his views.