连词成句。
【小题1】my, is, missing, Chinese, because, book (.)
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【小题2】for, let’s, together, watch, look, your (.)
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【小题3】you, why, do, look, excited, so (?)
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【小题4】you, now, are, surprised (?)
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当老师想让你打开书时会说：( )

A．Open your book, please.

B．Close your book.

C．Show me your book.

Show me your ruler. (  )

A．给我看你的橡皮。

B．给我看你的尺子。

Look and tick (T) or cross (F)：Look at the masks. （______）

(   ) Here are some little______.

A．flags

B．flag