This morning we have classes, and the class is Chinese.

are quiet, aren’t they— Yes. They are accustomed ____________at meals.

We often take part in after class activities（活动）. I like to play ____ basketball , but my brother likes to play ____ guitar .

Mr Brown was much disappointed to see the washing machine he had had _____ went wrong again [ ]

If you ______ talk about it with me, please wait till I finish my work at hand.