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

The students _________ follow the school rules at school.

Things of___kind come together; peopleof____kind fall into___same group.

As ______ matter of fact, Mr. Wang is in _____charge of this special school at present.

of people were waiting with a camera for ______ seemed like hours, hoping to catch a glimpse of the US First Lady, Michelle Obama.