单项选择题。
·number one：i often have a class meeting on tuesday.星期几前面要用介词on。
·on：星期几前面要用介词on。
·we often dance in the playground.固定短语在操场上用in。
·in the playground.在操场上。
·what do you often do at home？就是询问你经常做什么的固定句子。
·重点句型：what do you often do at home？在星期几升国旗？一般都是星期一升国旗的。
·on monday.we raise our national flag.你想知道别人每周经常做什么？可以问每周是哪个短语？every week，所以就是选择a。
·what do you often do every week？你想告诉别人你们经常在周二开班会，可以说找到星期二的就是tuesday。
·we often have a class meeting on tuesday.你想知道别人你想告诉别人我们经常在操场上跳舞，可以说找到跳舞那个单单词dance。
·we often dance in the playground.句子根据图片把句子补充完整。
·这个是升国旗开班会。
·we often raise our national flag on monday.升国旗这个短语要记住raise our national flag。
·we often have a class meeting on tuesday.we often dance in the playground on wednesday.跳舞，所以在操场上跳舞这个短语要记住we often dance in the playground on winter day. ·补全对话。
·hello sally.yes.what do you often hello siri？然后这边应该填什么？今天是星期一。
·it's monday.today.today是今天。
·yes.是的。
·what do you often do on monday？你星期一经常做什么？
·we often raise our national flag.we often raise our national flag.what about you？那你呢？me too.我们也是。
·and we often dance in the playground on wednesday.that s great.
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