best preparation for good work tomorrow is to do good work today
1.our english teacher miss wang is very ________ to us.
a. what time is it now? b. how much is it?c.
资源预览展开更多.is doing your best today.
概念 : 表示现在正在发生的动作 结构 : be (is, am, are) doing
Tips:Do Not Provide
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