At 9: 00 am next Sunday, I _____ to Professor Willard talking about brain.

He did not regret saying what he did but felt that he ________ it differently.

Great changes will ________ in my hometown in the future.

You look worried. What’s the matter? —I _____ the exam yesterday.

“Would you mind my sitting here with you?” “No, ______ you aren’t too noisy.”