They each other for 5 years.
When we are in a new place, we must __our manners and try to follow the customs of the place.
In the early morning all of us stood at the top of the mountain __ east of the city, watching _____burning sun rising.
The boy was led ___while crossing the road.
___ has taken away my notebook?
Columbus is known for the great discovery ____ a new land-America.