Were you born ______ May 21,1974? [ ]

We will celebrate the 90th birthday of the Chinese Communist Party ______ July 1st, 2011. [ ]

In front of the lake is a small house ______ a beautiful garden. I like the garden very much.[ ]

Look! The light is still on. Is Mr Wu working in his office？—No, it _____ be Mr Wu. He has gone to Nanjing for a meeting.

The life in an American school is not the same __________ that in a Chinese school. They are different __________ each other.[ ]