The meat is ___ expensive and eating ___ meat is bad for your health.
When you have some difficult math problems, you can ____ your math teacher.
She didn’t sing the song ____ at the party last night.
—Do you think Brazil will beat Japan in the next match? —Yes. They have better players. And I ____ to watch the match next Sunday.
—____ lovely day! Let’s go for a picnic, shall we? —Good idea!
I often chat with my classmates ____ the Internet in my spare time.