Don’t read the sun. It’s bad for your eyes.[ ]

It’s bad for your health to go to work _____ breakfast.[ ]

．— I wonder if you _______ a picnic tomorrow.— Yes. But if it ______, we’ll visit the museum instead.

How does your brother like the song Two Butterflies?—Great! He _____ such a beautiful song before.

has your brother studied in New York? —For two years.