Astronauts want to __________ the other planet that is suitable for human’s living.

Young people need to be given the __________ to make a difference in the world.

A good teacher can __________ his/her students to work hard.

Traveling is full of __________. All you need is being brave.

It has not yet __________ settled.

I must __________ him to the need to solve the problem.

Mechanics discovered problems with the plane’s __________ system.

I pray that you will have pity on my __________.

We __________ a number of difficulties in the first week.

Reducing levels of carbon dioxide in the atmosphere is of __________ importance.

He is now fighting his __________ to alcohol.