根据句意写单词。
【小题1】It’s your ____ to clean the classroom today.
【小题2】The school is ____ the right, next to the park.
【小题3】Please ____ left ____ the fourth crossing.
【小题4】Could you tell me the way ____ Beijing Road?
【小题5】Do you want to have a cup of tea ____ a glass of juice?

在周日(    )

A．at Sundays

B．on Sundays

There's ______ trousers over there. （   ）

A．pair of

B．a pair of

C．a pair

We can watch it ________ (在我家).  (  )

A．at my home

B．at school

We like to work _____ groups.  (  )

A．in

B．at

C．on