He found ______ very interesting _____ a horse.
It’s difficult to live in a foreign country, ______ if you can’t understand the language there.
--- You never feel worried before an exam, how can you? ---Well, I’ve been working hard all the time. Surely I am _________ any exam.
---Can you guess _________ the new Nike sports shoes?---Yes. Maybe he asked his grandpa to pay for them, I think.
--- Who? Brian? --- Right. He often gives me a ______ when I’m in trouble.
What _____ useful book! And _____ book is popular with students.