— Do you think yesterday’s math problem was difficult?— Yes. I could           work it out.

---Jay’s songs sound ________. Don’t miss his ________ show.---Yes. He is my favorite singer.

Betty writes ___________ than ___________ student in her classroom.

Now many people are________ in playing_______ games on the Internet.

--Your parents seem __________ with you. What’s wrong?--I failed in the English exam.