选择合适的选项。

（）1.He is talking at the cinema.

（）2.We are playing with dog.

（）3.She is coloring at her desk.

（）4.They are working in the library.

（）5.They are walking on a bridge.

A. Keep to the right.

B. Talk quietly.

C. Take turns.

D. Keep your desk clean.

E. Work quietly