He _____ be at home, because the light is on.

 －Are you coming to the English evening?－I’m not sure. I     go to the concert instead.

This book______Tom’s,because his name is on the book.

—         you speak Chinese, Miss Green?— Yes, I can.

---I haven’t got the reference book yet, but I’ll have a test on the subject next month. ---Don’t worry. You ____ have it by Friday.