Where is Mr Green now I haven’t seen him for a fewdays .—He _____ to Hong Kong .

16 I have never heard such a beautiful song _____

We’re visiting Mr. Li, about _______ films people talk a lot.

There are 30 classrooms ____________ our school. Mine is _____________ the second floor.

Look! I found a wallet in the classroom—You should give it to its .He must be upset about losing it.