12. 布置作业 (Setting homework)
(120) For today's homework . . .
(121) Practise after class. / Practise at home.
(122) Say it out loud, before you write it down.
(123) Copy / Print / Write each word twice.
(124) Remember (Memorize) these words / sentences.
(125) Learn these words / these sentences / this text by heart.
(126) Do your homework. / Do the next lesson. / Do the new work,
13. 下课 (Dismissing the class)
(127) Hand in your workbooks, please.
(128) Time is up.
(129) The bell is ringing.
(130) There's the bell.
(131) There goes the bell.
(132) Let's stop here.
(133) That's all for today.
(134) Class is over.
(135) Goodbye. / Bye. / See you next time.

非常感谢您的奉献！！！！！！！！！！！