第1个回答 2011-09-25
请安静 Be quiet, please! / Keep silence, please!
不要讲话 Don't talk! / Don't speak! / Stop talking! / No speaking!
把这些书放到书架上 Put these books on the bookshelf.
第2个回答 2011-09-24
Be quiet in the class，please，don't talk (或 no talking）
（一楼，你的语法好像有错误哦。注意一下speak 的用法，还有祈使句）
第3个回答 2011-09-24
please be quiet in the class and do not speak !
第4个回答 2020-05-01
请不要在课堂上讲话
:
please
do
not
speech
in
the
classroom
/
please
do
not
speak
in
the
classroom
第5个回答 2020-01-11
Classroom
be
quiet,
not
to
talk或The
classroom
quiet
please,
don't
speak都可以
选我吧