It’s reported that Nanjing Metro Line 3 was in service __________ April 1,2015.—What _________ exciting news! I believe the public transport system of Nanjing will be much better.

The pay phone is ____ the post office____ the library.

He pushed his way ______ the crowd tothe door.

The two companies are competing ___ each other to get into the Chinese market

Happy Halloween, Kitty! —_________________