With the development of science and technology，there is no doubt ________ Chinese astronauts will land on the moon in the near future. 

It was in the street ______ I met John yesterday. 

--- Do you know the Water Cube（水立方）at all? --- No, this is the first time I _________ here.

This is ___the shenzhou V Spaceship landed.

Rather than            on a crowded bus, he always prefers           a bicycle．