I think walking is good our health.
-May we leave the classroom now? -No, you ______. You ______ to leave until the bell rings.
I think ______ of the materials I listened to at the beginning of the exam ______ easy.
We have ______ up early in order to catch the early bus.
-Tommy, do you know if Frank ______ to the theatre with us this Sunday if it ______? -Sorry, I have no idea.
-Have you found the information about the famous people ______ you can use for the report? -Not yet. I’ll search some on the Internet.