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
