—Did you ______that Nancy has been a little too quiet these days?— Yes. She didn’t even say a word this afternoon.
--Whose Iphone5 is this? --It’s not _______. I think It’s _________.
Nanjing is one of _______ in China.
We are sure one day the air in Beijing will be much ______ than today.
We arrived _____ Shanghai______ the morning of July 2nd.
_____ too much TV isn’t good _____ our eyes.