--Have you returned the book to the library _______? --Yes, I have ____ returned it.

---I can’t find my pen. ---___ you put it in your book.

Tom is ____ late for school. He goes to school on time(准时) every day.

— How often do you drink milk?  —I don’t like it, so I _____drink it. 

They are going to have a picnic _______ next week.