An aircraft always takes off and lands as directly ____ the wind as possible.

It was about 30 seconds before Alex ______ from the water, we were quite scared.

It is so difficult to______ the bottom of the ocean because some parts are very deep.

Given the chance to show the ability, he regained the ______ and began to succeed in school.

Alan was always in trouble with the police when he was young, but he’s now a ________ married man.