Lily’s mobile phone was left in a taxi accidentally, never______ again.[ ]

What do you think of __________ book I lent you yesterday— Very good. It’s one of __________ best books I’ve ever read.

The time is not far away ________ modern communications will become widespread in China’s vast countryside.

You parkhere! It’s an emergeney exft.

What color are your ______—_______white and blue.