— I like speaking better than listening in English learning.—Oh, really? I think you should be good at          of them.

-- ________Alan’s pens? --Yes, they’re ________.

---Dear me! What a beautiful computer!---My grandma bought ___for my sister and me. It’s ours.

They found __________ impossible to finish so much work in such a short time.

 -- Did you read a book about customs last week?-- Yes, I found ______ very useful to know the customs of foreign countries.