I think mobile phones are_______ for people of all ages.

Although my little daughter has been learning English for three months, she can ______ confidently with foreigners.

My father is proud of his _______ of over 10,000 old books.

The job gives you lots of chances to travel abroad; it's certainly a very _____ offer.

You can find a lot of ______ information online for your project.

Sometimes it can be really _____ to go hiking alone in the forest.

Although the students in my class have been learning English for three months, they can ______ confidently with foreigners.