set sail，in a league of，develop relations with，withdraw from，in hand，become known as，search for，for the benefit of

（1）While passengers love to complain about taxi drivers，the drivers of New York are

in a league of

in a league of

their own.
（2）It took me great efforts to get these books

in hand

in hand

.
（3）Christopher Columbus

set sail

set sail

for the New World in the Santa Maria.
（4）Dogs have a very good sense of smell and are often used to

search for

search for

survivors in an earthquake.
（5）The company has decided to

withdraw from

withdraw from

some of its sports sponsorship.
（6）You need people working

for the benefit of

for the benefit of

the community.
（7）These Chinese immigrants settled in an area that later

became known as

became known as

Chinatown.
（8）We will continue to improve and

develop relations with

develop relations with

the developed countries.